SettingsGreek loanwords
-physis
The word morpheme -physis occurs at the ends of some anatomical names, usually of projecting parts of bones, and in some names of animals.
The word morpheme -physis occurs at the ends of some anatomical names, usually of projecting parts of bones, and in some names of animals.
Abyss (religion)
Abyss refers to a bottomless pit, to the underworld, to the deepest ocean floor, or to hell.
Abyss refers to a bottomless pit, to the underworld, to the deepest ocean floor, or to hell.
Academia
Academia is the community of students and scholars engaged in higher education and research.
Academia is the community of students and scholars engaged in higher education and research.
Acne vulgaris
Acne vulgaris (or cystic acne) is a common human skin disease, characterized by areas of skin with seborrhea (scaly red skin), comedones (blackheads and whiteheads), papules (pinheads), pu...
Acne vulgaris (or cystic acne) is a common human skin disease, characterized by areas of skin with seborrhea (scaly red skin), comedones (blackheads and whiteheads), papules (pinheads), pu...
Acolouthia
Acolouthia, (Greek: ἀκολουθία, "a following"; Slavonic: posledovanie) in the Eastern Orthodox and Eastern Catholic churches, signifies the arrangement of the Divine Services (Canonical Hours...
Acolouthia, (Greek: ἀκολουθία, "a following"; Slavonic: posledovanie) in the Eastern Orthodox and Eastern Catholic churches, signifies the arrangement of the Divine Services (Canonical Hours...
Acoustics
Acoustics is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound and infrasound.
Acoustics is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound and infrasound.
Acrobatics
Acrobatics is the performance of extraordinary feats of balance, agility and motor coordination.
Acrobatics is the performance of extraordinary feats of balance, agility and motor coordination.
Adiaphora
Adiaphoron is a concept of Stoic philosophy that indicates things outside of moral law—that is, actions that morality neither mandates nor forbids.
Adiaphoron is a concept of Stoic philosophy that indicates things outside of moral law—that is, actions that morality neither mandates nor forbids.
Aesthetics
Aesthetics is a branch of yomama dealing with the nature of beauty, art, and taste, with the creation and appreciation of beauty.
Aesthetics is a branch of yomama dealing with the nature of beauty, art, and taste, with the creation and appreciation of beauty.
Agape
Agape is one of the Koine Greek words translated into English as love, one which became particularly appropriated in Christian theology as the love of God or Christ for humankind.
Agape is one of the Koine Greek words translated into English as love, one which became particularly appropriated in Christian theology as the love of God or Christ for humankind.
Agate
Agate is a microcrystalline variety of silica, chiefly chalcedony, characterised by its fineness of grain and brightness of color.
Agate is a microcrystalline variety of silica, chiefly chalcedony, characterised by its fineness of grain and brightness of color.
Agnosia
Agnosia is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss.
Agnosia is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss.
Alabaster
Alabaster is a name applied to varieties of two distinct minerals, when used as a material: gypsum (a hydrous sulfate of calcium) and calcite (a carbonate of calcium).
Alabaster is a name applied to varieties of two distinct minerals, when used as a material: gypsum (a hydrous sulfate of calcium) and calcite (a carbonate of calcium).
Alabastron
An alabastron (from Greek ἀλάβαστρον; plural: alabastra or alabastrons) is a type of pottery used in the ancient world for holding oil, especially perfume or massage oils.
An alabastron (from Greek ἀλάβαστρον; plural: alabastra or alabastrons) is a type of pottery used in the ancient world for holding oil, especially perfume or massage oils.
Alectryomancy
Alectryomancy (also called alectoromancy or alectromancy, derivation comes from the Greek words alectryon and manteia, which mean rooster and divination respectively) is a fo...
Alectryomancy (also called alectoromancy or alectromancy, derivation comes from the Greek words alectryon and manteia, which mean rooster and divination respectively) is a fo...
Aletheia (mythology)
The word Aletheia (Ancient Greek: ) was the ancient Greek word for truth.
The word Aletheia (Ancient Greek: ) was the ancient Greek word for truth.
Allegory
Allegory is a device used to present an idea, principle or meaning, which can be presented in literary form, such as a poem or novel, in musical form, such as composition or lyric, or in visual ...
Allegory is a device used to present an idea, principle or meaning, which can be presented in literary form, such as a poem or novel, in musical form, such as composition or lyric, or in visual ...
Alpha and Omega
The Alpha and Omega, alpha and omega are the first and the last letters of the Greek alphabet and are used as Christian symbols referring to Christ as well as God.
The Alpha and Omega, alpha and omega are the first and the last letters of the Greek alphabet and are used as Christian symbols referring to Christ as well as God.
Amnesia
Amnesia (from Greek ') is a condition in which one's memory is lost.
Amnesia (from Greek ') is a condition in which one's memory is lost.
Anacrusis
In poetry, an anacrusis is the lead-in syllables, collectively, that precede the first full measure.
In poetry, an anacrusis is the lead-in syllables, collectively, that precede the first full measure.
Anagnorisis
Anagnorisis is a moment in a play or other work when a character makes a critical discovery.
Anagnorisis is a moment in a play or other work when a character makes a critical discovery.
Analgesic
An analgesic is any member of the group of drugs used to relieve pain.
An analgesic is any member of the group of drugs used to relieve pain.
Analogy
Analogy is a cognitive process of transferring information or meaning from a particular subject to another particular subject, and a linguistic expression corresponding to such a process.
Analogy is a cognitive process of transferring information or meaning from a particular subject to another particular subject, and a linguistic expression corresponding to such a process.
Analysis
Analysis is the process of breaking a complex topic or substance into smaller parts to gain a better understanding of it.
Analysis is the process of breaking a complex topic or substance into smaller parts to gain a better understanding of it.
Analytic
Generally speaking, analytic refers to the "having the ability to analyze" or "division into elements or principles.
Generally speaking, analytic refers to the "having the ability to analyze" or "division into elements or principles.
Anarchism
Anarchism is generally defined as the political philosophy which holds the state to be undesirable, unnecessary, and harmful, or alternatively as opposing authority and hierarchical organization...
Anarchism is generally defined as the political philosophy which holds the state to be undesirable, unnecessary, and harmful, or alternatively as opposing authority and hierarchical organization...
Anarchist
Anarchism is a political philosophy which considers the state undesirable, unnecessary, and harmful, and instead promotes a stateless society, or anarchy.
Anarchism is a political philosophy which considers the state undesirable, unnecessary, and harmful, and instead promotes a stateless society, or anarchy.
Anatomy
Anatomy is a branch of biology and medicine that is the consideration of the structure of living things.
Anatomy is a branch of biology and medicine that is the consideration of the structure of living things.
Anchor
An anchor is a device, normally made of metal, that is used to connect a vessel to the bed of a body of water to prevent the vessel from drifting due to wind or current.
An anchor is a device, normally made of metal, that is used to connect a vessel to the bed of a body of water to prevent the vessel from drifting due to wind or current.
Android (robot)
An android is a robot or synthetic organism designed to look and act like a human, and with a body having a flesh-like resemblance.
An android is a robot or synthetic organism designed to look and act like a human, and with a body having a flesh-like resemblance.
Anemia
Anemia is a decrease in number of red blood cells or less than the normal quantity of hemoglobin in the blood.
Anemia is a decrease in number of red blood cells or less than the normal quantity of hemoglobin in the blood.
Angels
Angels are messengers of God in the Hebrew and Christian Bibles.
Angels are messengers of God in the Hebrew and Christian Bibles.
Antagonist
An antagonist (from Greek ἀνταγωνιστής - antagonistēs, "opponent, competitor, enemy, rival") is a character, group of characters, or institution, that represents the opposition against which...
An antagonist (from Greek ἀνταγωνιστής - antagonistēs, "opponent, competitor, enemy, rival") is a character, group of characters, or institution, that represents the opposition against which...
Antanaclasis
In rhetoric, antanaclasis ( or ; from the ἀντανάκλασις, antanáklasis, meaning "reflection") is the stylistic trope of repeating a single word, but with a different meaning each time.
In rhetoric, antanaclasis ( or ; from the ἀντανάκλασις, antanáklasis, meaning "reflection") is the stylistic trope of repeating a single word, but with a different meaning each time.
Anthropology
Anthropology is the academic study of humanity.
Anthropology is the academic study of humanity.
Anthropomorphism
Anthropomorphism is any attribution of human characteristics (or characteristics assumed to belong only to humans) to other animals, non-living things, phenomena, material states, objects or abs...
Anthropomorphism is any attribution of human characteristics (or characteristics assumed to belong only to humans) to other animals, non-living things, phenomena, material states, objects or abs...
Antibacterial
An antibacterial is a compound or substance that kills or slows down the growth of bacteria.
An antibacterial is a compound or substance that kills or slows down the growth of bacteria.
Antichrist
The term or title antichrist, in Christian theology, refers to a leader who fulfills Biblical prophecies concerning an adversary of Christ, while resembling him in a deceptive manner.
The term or title antichrist, in Christian theology, refers to a leader who fulfills Biblical prophecies concerning an adversary of Christ, while resembling him in a deceptive manner.
Antichthones
Antichthones, in geography, are those peoples who inhabit the antipodes, countries on opposite sides of the Earth.
Antichthones, in geography, are those peoples who inhabit the antipodes, countries on opposite sides of the Earth.
Antigentilism
Antigentilism sometimes directed towards people of non-Jewish descent by people of Jewish descent.
Antigentilism sometimes directed towards people of non-Jewish descent by people of Jewish descent.
Antilegomena
Antilegomena, (Greek ), are those Christian writings that were "disputed", or literally those works which have been "spoken against".
Antilegomena, (Greek ), are those Christian writings that were "disputed", or literally those works which have been "spoken against".
Antipodes
In geography, the antipodes of any place on Earth is the point on the Earth's surface which is diametrically opposite to it.
In geography, the antipodes of any place on Earth is the point on the Earth's surface which is diametrically opposite to it.
Antiseptic
Antiseptics are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction.
Antiseptics are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction.
Antithesis
Antithesis (Greek for "setting opposite", from "against" + "position") is a counter-proposition and denotes a direct contrast to the original proposition.
Antithesis (Greek for "setting opposite", from "against" + "position") is a counter-proposition and denotes a direct contrast to the original proposition.
Antlia
Antlia is a constellation in the southern sky.
Antlia is a constellation in the southern sky.
Apathy
Apathy is a state of indifference, or the suppression of emotions such as concern, excitement, motivation and passion.
Apathy is a state of indifference, or the suppression of emotions such as concern, excitement, motivation and passion.
Apeiron (cosmology)
Apeiron is a Greek word meaning unlimited, infinite, or indefinite from ἀ- a-, "without" and πεῖραρ peirar, "end, limit", the Ionic Greek form of πέρας peras, "end, limit...
Apeiron is a Greek word meaning unlimited, infinite, or indefinite from ἀ- a-, "without" and πεῖραρ peirar, "end, limit", the Ionic Greek form of πέρας peras, "end, limit...
Aphasia
Aphasia ( or, from ancient Greek ἀφασία (ἄφατος, ἀ- + φημί), "speechlessness") is an impairment of language ability.
Aphasia ( or, from ancient Greek ἀφασία (ἄφατος, ἀ- + φημί), "speechlessness") is an impairment of language ability.
Aphorism
An aphorism is an original thought, spoken or written in a laconic and memorable form.
An aphorism is an original thought, spoken or written in a laconic and memorable form.
Apocalypse
An apocalypse is a disclosure of something hidden from the majority of mankind in an era dominated by falsehood and misconception, i.e. the veil to be lifted.
An apocalypse is a disclosure of something hidden from the majority of mankind in an era dominated by falsehood and misconception, i.e. the veil to be lifted.
Apocrypha
The term apocrypha is used with various meanings, including "hidden", "esoteric", "spurious", "of questionable authenticity", ancient Chinese "revealed texts and objects" and "Christian text...
The term apocrypha is used with various meanings, including "hidden", "esoteric", "spurious", "of questionable authenticity", ancient Chinese "revealed texts and objects" and "Christian text...
Apologetics
Apologetics (from Greek ἀπολογία, "speaking in defense") is the discipline of defending a position (often religious) through the systematic use of information.
Apologetics (from Greek ἀπολογία, "speaking in defense") is the discipline of defending a position (often religious) through the systematic use of information.
Apotome
Apotome (ἀποτοµή) is an archaic mathematical term which, according to Webster's 1828 Dictionary, is the difference of two quantities that are commensurable only in power.
Apotome (ἀποτοµή) is an archaic mathematical term which, according to Webster's 1828 Dictionary, is the difference of two quantities that are commensurable only in power.
Archaeology
Archaeology, or archeology, is the study of human activity, primarily through the recovery and analysis of the material culture and environmental data that they have left behind, which inc...
Archaeology, or archeology, is the study of human activity, primarily through the recovery and analysis of the material culture and environmental data that they have left behind, which inc...
Archaeopteryx
Archaeopteryx, sometimes referred to by its German name Urvogel, is a genus of theropod dinosaur that is closely related to birds.
Archaeopteryx, sometimes referred to by its German name Urvogel, is a genus of theropod dinosaur that is closely related to birds.
Archetype
An archetype is a universally understood symbol, term, or pattern of behavior, a prototype upon which others are copied, patterned, or emulated.
An archetype is a universally understood symbol, term, or pattern of behavior, a prototype upon which others are copied, patterned, or emulated.
Architecture
Architecture (Latin architectura, from the Greek ἀρχιτέκτων – arkhitekton, from ἀρχι- "chief" and τέκτων "builder, carpenter, mason") is both the process and product of planning, designing...
Architecture (Latin architectura, from the Greek ἀρχιτέκτων – arkhitekton, from ἀρχι- "chief" and τέκτων "builder, carpenter, mason") is both the process and product of planning, designing...
Archosaur
Archosaurs are a group of diapsid amniotes whose living representatives consist of modern birds and crocodilians.
Archosaurs are a group of diapsid amniotes whose living representatives consist of modern birds and crocodilians.
Arete
Arete (; Greek: ), in its basic sense, means excellence of any kind.
Arete (; Greek: ), in its basic sense, means excellence of any kind.
Armageddon
Armageddon is, according to the Bible, the site of a battle during the end times, variously interpreted as either a literal or symbolic location.
Armageddon is, according to the Bible, the site of a battle during the end times, variously interpreted as either a literal or symbolic location.
Arthralgia
Arthralgia (from Greek arthro-, joint + -algos, pain) literally means joint pain; it is a symptom of injury, infection, illnesses (in particular arthritis) or an allergic reaction to...
Arthralgia (from Greek arthro-, joint + -algos, pain) literally means joint pain; it is a symptom of injury, infection, illnesses (in particular arthritis) or an allergic reaction to...
Asceticism
Asceticism describes a lifestyle characterized by abstinence from various worldly pleasures, often with the aim of pursuing religious and spiritual goals.
Asceticism describes a lifestyle characterized by abstinence from various worldly pleasures, often with the aim of pursuing religious and spiritual goals.
Asphalt
Asphalt or or, also known as bitumen, is the sticky, black and highly viscous liquid or semi-solid present in most crude petroleums and in some natural deposits; it is a substance cl...
Asphalt or or, also known as bitumen, is the sticky, black and highly viscous liquid or semi-solid present in most crude petroleums and in some natural deposits; it is a substance cl...
Asphyxia
Asphyxia or asphyxiation is a condition of severely deficient supply of oxygen to the body that arises from being unable to breathe normally.
Asphyxia or asphyxiation is a condition of severely deficient supply of oxygen to the body that arises from being unable to breathe normally.
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun.
Asteroids are a class of small Solar System bodies in orbit around the Sun.
Astrolabe
An astrolabe is an elaborate inclinometer, historically used by astronomers, navigators, and astrologers.
An astrolabe is an elaborate inclinometer, historically used by astronomers, navigators, and astrologers.
Asymptomatic
In medicine, a disease is considered asymptomatic if a patient is a carrier for a disease or infection but experiences no symptoms.
In medicine, a disease is considered asymptomatic if a patient is a carrier for a disease or infection but experiences no symptoms.
Ataxia
Ataxia, is a neurological sign consisting of lack of voluntary coordination of muscle movements, as in walking.
Ataxia, is a neurological sign consisting of lack of voluntary coordination of muscle movements, as in walking.
Atmosphere
An atmosphere is a layer of gases that may surround a material body of sufficient mass, and that is held in place by the gravity of the body.
An atmosphere is a layer of gases that may surround a material body of sufficient mass, and that is held in place by the gravity of the body.
Atom
The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons.
The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons.
Autocracy
An autocracy is a system of government in which a supreme political power is concentrated in the hands of one person, whose decisions are subject to neither external legal restraints nor regular...
An autocracy is a system of government in which a supreme political power is concentrated in the hands of one person, whose decisions are subject to neither external legal restraints nor regular...
Autokrator
Autokratōr is a Greek epithet applied to an individual who exercises absolute power, unrestrained by superiors.
Autokratōr is a Greek epithet applied to an individual who exercises absolute power, unrestrained by superiors.
Autonomy
Autonomy is a concept found in moral, political and bioethical philosophy.
Autonomy is a concept found in moral, political and bioethical philosophy.
Autotroph
An autotroph,' or producer, is an organism that produces complex organic compounds from simple substances present in its surroundings.
An autotroph,' or producer, is an organism that produces complex organic compounds from simple substances present in its surroundings.
Axiom
An axiom is a premise or starting point of reasoning.
An axiom is a premise or starting point of reasoning.
Azymes
Azymes is an archaic English word for the Jewish matzah, derived from the Greek word "ἄζυμος" (ázymos: "unleavened") for unfermented bread in Biblical times; the more accepted term in modern...
Azymes is an archaic English word for the Jewish matzah, derived from the Greek word "ἄζυμος" (ázymos: "unleavened") for unfermented bread in Biblical times; the more accepted term in modern...
Ballet
Ballet is a type of performance dance, that originated in the Italian Renaissance courts of the 15th century, and which was further developed in France and Russia as a concert dance form.
Ballet is a type of performance dance, that originated in the Italian Renaissance courts of the 15th century, and which was further developed in France and Russia as a concert dance form.
Ballista
The ballista (Latin, from Greek βαλλίστρα - ballistra and that from - βάλλω ballō, "throw"), plural ballistae, was an ancient missile weapon which launched a large projectile at a ...
The ballista (Latin, from Greek βαλλίστρα - ballistra and that from - βάλλω ballō, "throw"), plural ballistae, was an ancient missile weapon which launched a large projectile at a ...
Ballos
The Ballos Sirtos,, is one of the best known Greek folk dance island dances in Greece.
The Ballos Sirtos,, is one of the best known Greek folk dance island dances in Greece.
Baptism
Baptism (from the Greek noun Βάπτισμα baptisma; itself derived from baptismos, washing) is a Christian rite of admission (or adoption), almost invariably with the use of water, into the ...
Baptism (from the Greek noun Βάπτισμα baptisma; itself derived from baptismos, washing) is a Christian rite of admission (or adoption), almost invariably with the use of water, into the ...
Barbarian
Barbarian and savage are terms used to refer to a person who is perceived to be uncivilized.
Barbarian and savage are terms used to refer to a person who is perceived to be uncivilized.
Barbarians in Western cultures
Barbarian and Savage are pejorative terms used in Western culture to refer to a person who is perceived to be uncivilized.
Barbarian and Savage are pejorative terms used in Western culture to refer to a person who is perceived to be uncivilized.
Basilica
The Latin word basilica, was originally used to describe a Roman public building, usually located in the forum of a Roman town.
The Latin word basilica, was originally used to describe a Roman public building, usually located in the forum of a Roman town.
Berenice
Berenice or Berenike (Greek:, Berenikē) is the Ancient Macedonian form for Attic Greek Φερενίκη (Pherenikē), meaning "bearer of victory", from φέρω (pherō) "to bear" +...
Berenice or Berenike (Greek:, Berenikē) is the Ancient Macedonian form for Attic Greek Φερενίκη (Pherenikē), meaning "bearer of victory", from φέρω (pherō) "to bear" +...
Bible
The Bible is any one of the collections of the primary religious texts of Judaism and Christianity.
The Bible is any one of the collections of the primary religious texts of Judaism and Christianity.
Biblical canon
A biblical canon, or canon of scripture, is a list of books considered to be authoritative scripture by a particular religious community.
A biblical canon, or canon of scripture, is a list of books considered to be authoritative scripture by a particular religious community.
Biology
Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy.
Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy.
Biorhythm
Biorhythm is an attempt to predict various aspects of a person's life through simple mathematical cycles.
Biorhythm is an attempt to predict various aspects of a person's life through simple mathematical cycles.
Blasphemy
Blasphemy is the act of insulting or showing contempt or lack of reverence for a religious deity or the irreverence towards religious or holy persons or things.
Blasphemy is the act of insulting or showing contempt or lack of reverence for a religious deity or the irreverence towards religious or holy persons or things.
Bomb
A bomb is any of a range of explosive weapons that only rely on the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy.
A bomb is any of a range of explosive weapons that only rely on the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy.
Boustrophedon
Boustrophedon, is a kind of bi-directional text, mostly seen in ancient manuscripts and other inscriptions.
Boustrophedon, is a kind of bi-directional text, mostly seen in ancient manuscripts and other inscriptions.
Boutique
A boutique is a small shopping outlet, especially one that specializes in elite and fashionable items such as clothing and jewellery.
A boutique is a small shopping outlet, especially one that specializes in elite and fashionable items such as clothing and jewellery.
Box
Box describes a variety of containers and receptacles for permanent use as storage, or for temporary use often for transporting contents.
Box describes a variety of containers and receptacles for permanent use as storage, or for temporary use often for transporting contents.
Brothers of Jesus
The term Desposyni (from the Greek δεσπόσυνοι, plural of δεσπόσυνος, meaning "of or belonging to the master or lord") refers to blood relatives of Jesus.
The term Desposyni (from the Greek δεσπόσυνοι, plural of δεσπόσυνος, meaning "of or belonging to the master or lord") refers to blood relatives of Jesus.
Cannabis
Cannabis is a genus of flowering plants that includes three putative varieties, Cannabis sativa, Cannabis indica, and Cannabis ruderalis.
Cannabis is a genus of flowering plants that includes three putative varieties, Cannabis sativa, Cannabis indica, and Cannabis ruderalis.
Canonical
Canonical is the adjective for canon, a rule, and has come to mean also 'standard' or 'typical'.
Canonical is the adjective for canon, a rule, and has come to mean also 'standard' or 'typical'.
Capnomancy
Capnomancy (otherwise known as Libanomancy) signifies a method of divination using smoke.
Capnomancy (otherwise known as Libanomancy) signifies a method of divination using smoke.
Carat (mass)
The carat is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.
The carat is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.
Card
Card primarily refers to an entire or piece of card stock.
Card primarily refers to an entire or piece of card stock.
Cardamom
Cardamom refers to several plants of the similar genera Elettaria and Amomum in the ginger family Zingiberaceae.
Cardamom refers to several plants of the similar genera Elettaria and Amomum in the ginger family Zingiberaceae.
Cardiophobia
Cardiophobia is the fear of the heart or heart disease.
Cardiophobia is the fear of the heart or heart disease.
Catapult
A catapult is a device used to throw or hurl a projectile a great distance without the aid of explosive devices—particularly various types of ancient and medieval siege engines.
A catapult is a device used to throw or hurl a projectile a great distance without the aid of explosive devices—particularly various types of ancient and medieval siege engines.
Cataract
A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope, varying in degree from slight to complete opacity and obstructing the passage of light.
A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope, varying in degree from slight to complete opacity and obstructing the passage of light.
Catechism
A catechism is a summary or exposition of doctrine, traditionally used in Christian religious teaching from New Testament times to the present.
A catechism is a summary or exposition of doctrine, traditionally used in Christian religious teaching from New Testament times to the present.
Catharsis
Catharsis or katharsis is a Greek word meaning "cleansing" or "purging".
Catharsis or katharsis is a Greek word meaning "cleansing" or "purging".
Cathetus
In a right triangle, the cathetus (originally from the Greek word Κάθετος; plural: catheti), commonly known as a leg, is either of the sides that are adjacent to the right angle.
In a right triangle, the cathetus (originally from the Greek word Κάθετος; plural: catheti), commonly known as a leg, is either of the sides that are adjacent to the right angle.
Catholicos
Catholicos, plural Catholicoi, is a title used for the head of certain churches in some Eastern Christian traditions.
Catholicos, plural Catholicoi, is a title used for the head of certain churches in some Eastern Christian traditions.
Celery
Apium graveolens is a plant species in the family Apiaceae commonly known as celery or celeriac, depending on whether the petioles or roots are eaten: celery refers to the former and c...
Apium graveolens is a plant species in the family Apiaceae commonly known as celery or celeriac, depending on whether the petioles or roots are eaten: celery refers to the former and c...
Cetus
Cetus is a constellation. Its name refers to Cetus, a sea monster in Greek mythology, although it is often called 'the whale' today.
Cetus is a constellation. Its name refers to Cetus, a sea monster in Greek mythology, although it is often called 'the whale' today.
Chamomile
Chamomile or camomile is a common name for several daisy-like plants of the family Asteraceae.
Chamomile or camomile is a common name for several daisy-like plants of the family Asteraceae.
Chaos (cosmogony)
Chaos (Greek khaos) refers to the formless or void state preceding the creation of the universe or cosmos in the Greek creation myths, more specifically the initial "gap" created by the or...
Chaos (Greek khaos) refers to the formless or void state preceding the creation of the universe or cosmos in the Greek creation myths, more specifically the initial "gap" created by the or...
Character (symbol)
A character (from the Greek "engraved or stamped mark" on coins or seals, "branding mark, symbol") may refer to any sign or symbol.
A character (from the Greek "engraved or stamped mark" on coins or seals, "branding mark, symbol") may refer to any sign or symbol.
Charisma
The term charisma has two senses: 1 compelling attractiveness or charm that can inspire devotion in others, 2 a divinely conferred power or talent.
The term charisma has two senses: 1 compelling attractiveness or charm that can inspire devotion in others, 2 a divinely conferred power or talent.
Chirality (electromagnetism)
The term chiral describes an object, especially a molecule, which has or produces a non-superimposeable mirror image of itself.
The term chiral describes an object, especially a molecule, which has or produces a non-superimposeable mirror image of itself.
Chord (music)
A chord in music is any harmonic set of two or more notes that is heard as if sounding simultaneously.
A chord in music is any harmonic set of two or more notes that is heard as if sounding simultaneously.
Chrism
Chrism, also called "myrrh", holy anointing oil, or "consecrated oil", is a consecrated oil used in the Roman Catholic, Eastern Orthodox, Anglican, Eastern Rite Catholic, Oriental Orthodox, and ...
Chrism, also called "myrrh", holy anointing oil, or "consecrated oil", is a consecrated oil used in the Roman Catholic, Eastern Orthodox, Anglican, Eastern Rite Catholic, Oriental Orthodox, and ...
Christ
Christ is a translation of the Hebrew מָשִׁיחַ, the Messiah, and is used as a title for Jesus in the New Testament.
Christ is a translation of the Hebrew מָשִׁיחַ, the Messiah, and is used as a title for Jesus in the New Testament.
Christ Pantocrator
Pantocrator or Pantokrator (from the Greek Παντοκράτωρ) is one of many Names of God in Judaism.
Pantocrator or Pantokrator (from the Greek Παντοκράτωρ) is one of many Names of God in Judaism.
Chromatic genus
In Ancient Greek music theory, the chromatic genus is a genus of the tetrachord characterized by an upper interval of a minor third.
In Ancient Greek music theory, the chromatic genus is a genus of the tetrachord characterized by an upper interval of a minor third.
Chronogram
A chronogram is a sentence or inscription in which specific letters, interpreted as numerals, stand for a particular date when rearranged.
A chronogram is a sentence or inscription in which specific letters, interpreted as numerals, stand for a particular date when rearranged.
Chronology
Chronology is the science of arranging events in their order of occurrence in time, such as the use of a timeline or sequence of events.
Chronology is the science of arranging events in their order of occurrence in time, such as the use of a timeline or sequence of events.
Chthonic
Chthonic (, from Greek χθόνιος – chthonios, "in, under, or beneath the earth", from χθών – chthōn "earth"; pertaining to the Earth; earthy; subterranean) designates, or pertains ...
Chthonic (, from Greek χθόνιος – chthonios, "in, under, or beneath the earth", from χθών – chthōn "earth"; pertaining to the Earth; earthy; subterranean) designates, or pertains ...
Chyme
Chyme (from Greek "χυμός" - khymos, "juice") is the semifluid mass of partly digested food expelled by the stomach into the duodenum.
Chyme (from Greek "χυμός" - khymos, "juice") is the semifluid mass of partly digested food expelled by the stomach into the duodenum.
Circus
A circus is commonly a travelling company of performers that may include clowns, acrobats, trained animals, trapeze acts, musicians, hoopers, tightrope walkers, jugglers, unicyclists and other s...
A circus is commonly a travelling company of performers that may include clowns, acrobats, trained animals, trapeze acts, musicians, hoopers, tightrope walkers, jugglers, unicyclists and other s...
Clergy
Clergy is a generic term used to refer to the formal religious leadership within some religions.
Clergy is a generic term used to refer to the formal religious leadership within some religions.
Clerk
Clerk, the vocational title, commonly refers to a white-collar worker who conducts general office or, in some instances, sales tasks.
Clerk, the vocational title, commonly refers to a white-collar worker who conducts general office or, in some instances, sales tasks.
Climate
Climate encompasses the statistics of temperature, humidity, atmospheric pressure, wind, precipitation, atmospheric particle count and other meteorological elemental measurements in a given regi...
Climate encompasses the statistics of temperature, humidity, atmospheric pressure, wind, precipitation, atmospheric particle count and other meteorological elemental measurements in a given regi...
Coccyx
The coccyx, commonly referred to as the tailbone, is the final segment of the vertebral column in tailless primates.
The coccyx, commonly referred to as the tailbone, is the final segment of the vertebral column in tailless primates.
Coffin
A coffin is a funerary box used in the display and containment of dead people – either for burial or cremation.
A coffin is a funerary box used in the display and containment of dead people – either for burial or cremation.
Colon (anatomy)
The colon is the last part of the digestive system in most vertebrates; it extracts water and salt from solid wastes before they are eliminated from the body, and is the site in which flora-aide...
The colon is the last part of the digestive system in most vertebrates; it extracts water and salt from solid wastes before they are eliminated from the body, and is the site in which flora-aide...
Columba (genus)
The large bird genus Columba comprises a group of medium to large stout-bodied pigeons, often referred to as the typical pigeons.
The large bird genus Columba comprises a group of medium to large stout-bodied pigeons, often referred to as the typical pigeons.
Comet
A comet is an icy small Solar System body (SSSB) that, when close enough to the Sun, displays a visible coma (a thin, fuzzy, temporary atmosphere) and sometimes also a tail.
A comet is an icy small Solar System body (SSSB) that, when close enough to the Sun, displays a visible coma (a thin, fuzzy, temporary atmosphere) and sometimes also a tail.
Contiguity
A contiguity is a continuous mass, or a series of things in contact or proximity.
A contiguity is a continuous mass, or a series of things in contact or proximity.
Coprophagia
Coprophagia or coprophagy is the consumption of feces, from the Greek κόπρος copros and φαγεῖν phagein.
Coprophagia or coprophagy is the consumption of feces, from the Greek κόπρος copros and φαγεῖν phagein.
Cosmogony
Cosmogony is any scientific theory concerning the coming into existence, or origin, of the cosmos or universe, or about how what sentient beings perceive as "reality" came to be.
Cosmogony is any scientific theory concerning the coming into existence, or origin, of the cosmos or universe, or about how what sentient beings perceive as "reality" came to be.
Cosmography
Cosmography is the science that maps the general features of the cosmos or universe, describing both heaven and Earth (but without encroaching on geography or astronomy).
Cosmography is the science that maps the general features of the cosmos or universe, describing both heaven and Earth (but without encroaching on geography or astronomy).
Crisis
A crisis is any event that is, or expected to lead to, an unstable and dangerous situation affecting an individual, group, community or whole society.
A crisis is any event that is, or expected to lead to, an unstable and dangerous situation affecting an individual, group, community or whole society.
Cryogenics
In physics, cryogenics is the study of the production of very low temperature and the behavior of materials at those temperatures.
In physics, cryogenics is the study of the production of very low temperature and the behavior of materials at those temperatures.
Cryptanalysis
Cryptanalysis (from the Greek kryptós, "hidden", and analýein, "to loosen" or "to untie") is the art of defeating cryptographic security systems, and gaining access to the contents of en...
Cryptanalysis (from the Greek kryptós, "hidden", and analýein, "to loosen" or "to untie") is the art of defeating cryptographic security systems, and gaining access to the contents of en...
Cryptography
Cryptography is the practice and study of techniques for secure communication in the presence of third parties.
Cryptography is the practice and study of techniques for secure communication in the presence of third parties.
Crystal
A crystal or crystalline solid is a solid material whose constituent atoms, molecules, or ions are arranged in an orderly, repeating pattern extending in all three spatial dimensions.
A crystal or crystalline solid is a solid material whose constituent atoms, molecules, or ions are arranged in an orderly, repeating pattern extending in all three spatial dimensions.
Curved mirror
A curved mirror is a mirror with a curved reflective surface, which may be either convex (bulging outward) or concave (bulging inward).
A curved mirror is a mirror with a curved reflective surface, which may be either convex (bulging outward) or concave (bulging inward).
Cyan
Cyan may be used as the name of any of a number of colors in the blue/green range of the spectrum.
Cyan may be used as the name of any of a number of colors in the blue/green range of the spectrum.
Cyclothymia
Cyclothymia, also called cyclothymic disorder, is widely considered a milder or subthreshold form of bipolar disorder.
Cyclothymia, also called cyclothymic disorder, is widely considered a milder or subthreshold form of bipolar disorder.
Cygnus
Cygnus is the Latin word for swan, the romanized form of the ancient Greek κύκνος "swan".
Cygnus is the Latin word for swan, the romanized form of the ancient Greek κύκνος "swan".
Cylinder (geometry)
A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given line segment, the axis of the cylinder.
A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given line segment, the axis of the cylinder.
Cynicism
Cynicism, in its original form, refers to the beliefs of an ancient school of Greek philosophers known as the Cynics.
Cynicism, in its original form, refers to the beliefs of an ancient school of Greek philosophers known as the Cynics.
Cypress
Cypress is the name applied to many plants in the cypress family Cupressaceae, which is a conifer of northern temperate regions.
Cypress is the name applied to many plants in the cypress family Cupressaceae, which is a conifer of northern temperate regions.
Defter
A Defter (plural: Defterleri) was a type of tax register in the Ottoman Empire.
A Defter (plural: Defterleri) was a type of tax register in the Ottoman Empire.
Demiurge
The demiurge is a concept from the Platonic, Neopythagorean, Middle Platonic, and Neoplatonic schools of philosophy for an artisan-like figure responsible for the fashioning and maintenance of t...
The demiurge is a concept from the Platonic, Neopythagorean, Middle Platonic, and Neoplatonic schools of philosophy for an artisan-like figure responsible for the fashioning and maintenance of t...
Democracy
Democracy is an egalitarian form of government in which all the citizens of a nation together determine public policy, the laws and the actions of their state, requiring that all citizens (meeti...
Democracy is an egalitarian form of government in which all the citizens of a nation together determine public policy, the laws and the actions of their state, requiring that all citizens (meeti...
Demon
A demon is a supernatural, often malevolent being prevalent in various religions, occultisms, literature, and folklore.
A demon is a supernatural, often malevolent being prevalent in various religions, occultisms, literature, and folklore.
Dendrology
Dendrology (, dendron, "tree"; and, -logia, science of or study of) or xylology (, ksulon, "wood") is the science and study of wooded plants (trees, shrubs, and lianas).
Dendrology (, dendron, "tree"; and, -logia, science of or study of) or xylology (, ksulon, "wood") is the science and study of wooded plants (trees, shrubs, and lianas).
Dermatology
Dermatology is the branch of medicine dealing with the skin and its diseases, a unique specialty with both medical and surgical aspects.
Dermatology is the branch of medicine dealing with the skin and its diseases, a unique specialty with both medical and surgical aspects.
Desposyni
The Desposyni (from the Greek δεσπόσυνοι, plural of δεσπόσυνος, meaning "of or belonging to the master or lord") are the blood relatives of Jesus.
The Desposyni (from the Greek δεσπόσυνοι, plural of δεσπόσυνος, meaning "of or belonging to the master or lord") are the blood relatives of Jesus.
Diabetes mellitus
Diabetes mellitus, often simply referred to as diabetes, is a group of metabolic diseases in which a person has high blood sugar, either because the body does not produce enough insulin, o...
Diabetes mellitus, often simply referred to as diabetes, is a group of metabolic diseases in which a person has high blood sugar, either because the body does not produce enough insulin, o...
Diadem
A diadem is a type of crown, specifically an ornamental headband worn by Eastern monarchs and others as a badge of royalty.
A diadem is a type of crown, specifically an ornamental headband worn by Eastern monarchs and others as a badge of royalty.
Diagnosis
Diagnosis (from ancient Greek διάγνωσις = discernment) is the identification of the nature and cause of anything.
Diagnosis (from ancient Greek διάγνωσις = discernment) is the identification of the nature and cause of anything.
Dialect
The term dialect is used in two distinct ways, even by linguists.
The term dialect is used in two distinct ways, even by linguists.
Diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle.
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle.
Diamond
In mineralogy, diamond (from the ancient Greek αδάμας – adámas "unbreakable") is an allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal str...
In mineralogy, diamond (from the ancient Greek αδάμας – adámas "unbreakable") is an allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal str...
Diaspora
A diaspora is "the movement, migration, or scattering of people away from an established or ancestral homeland" or "people dispersed by whatever cause to more than one location", or "people sett...
A diaspora is "the movement, migration, or scattering of people away from an established or ancestral homeland" or "people dispersed by whatever cause to more than one location", or "people sett...
Diatessaron
The Diatessaron is the most prominent Gospel harmony created by Tatian, an early Christian apologist and ascetic.
The Diatessaron is the most prominent Gospel harmony created by Tatian, an early Christian apologist and ascetic.
Diatonic and chromatic
Diatonic and chromatic are terms in music theory that are most often used to characterize scales, and are also applied to intervals, chords, notes, musical styles, and kinds of harmony.
Diatonic and chromatic are terms in music theory that are most often used to characterize scales, and are also applied to intervals, chords, notes, musical styles, and kinds of harmony.
Diatonic genus
In ancient Greek music theory, the diatonic genus is the division of the tetrachord from which the modern diatonic scale evolved.
In ancient Greek music theory, the diatonic genus is the division of the tetrachord from which the modern diatonic scale evolved.
Dichotomy
A dichotomy is any splitting of a whole into exactly two non-overlapping parts, meaning it is a procedure in which a whole is divided into two parts.
A dichotomy is any splitting of a whole into exactly two non-overlapping parts, meaning it is a procedure in which a whole is divided into two parts.
Didache
The Didache or The Teaching of the Twelve Apostles is a brief early Christian treatise, dated by most scholars to the late first or early 2nd century.
The Didache or The Teaching of the Twelve Apostles is a brief early Christian treatise, dated by most scholars to the late first or early 2nd century.
Didascalia Apostolorum
Didascalia Apostolorum is a Christian treatise which belongs to genre of the Church Orders.
Didascalia Apostolorum is a Christian treatise which belongs to genre of the Church Orders.
Dinosaur
Dinosaurs are a diverse group of animals of the clade Dinosauria.
Dinosaurs are a diverse group of animals of the clade Dinosauria.
Disaster
A disaster is a natural or man-made (or technological) hazard that has come to fruition, resulting in an event of substantial extent causing significant physical damage or destruction, loss of l...
A disaster is a natural or man-made (or technological) hazard that has come to fruition, resulting in an event of substantial extent causing significant physical damage or destruction, loss of l...
Dithyramb
The dithyramb (διθύραμβος – dithurambos) was an ancient Greek hymn sung and danced in honour of Dionysus, the god of wine and fertility; the term was also used as an epithet of the...
The dithyramb (διθύραμβος – dithurambos) was an ancient Greek hymn sung and danced in honour of Dionysus, the god of wine and fertility; the term was also used as an epithet of the...
Divinization (Christian)
In Christian theology, divinization, deification, making divine or theosis is the transforming effect of divine grace.
In Christian theology, divinization, deification, making divine or theosis is the transforming effect of divine grace.
Dodecahedron
In geometry, a dodecahedron is any polyhedron with twelve flat faces, but usually a regular dodecahedron is meant: a Platonic solid.
In geometry, a dodecahedron is any polyhedron with twelve flat faces, but usually a regular dodecahedron is meant: a Platonic solid.
Dogma
Dogma is the established belief or doctrine held by a religion, or by extension by some other group or organization.
Dogma is the established belief or doctrine held by a religion, or by extension by some other group or organization.
Doxology
A doxology is a short hymn of praises to God in various Christian worship services, often added to the end of canticles, psalms, and hymns.
A doxology is a short hymn of praises to God in various Christian worship services, often added to the end of canticles, psalms, and hymns.
Dragon
A dragon is a legendary creature, typically with serpentine or reptilian traits, that features in the myths of many cultures.
A dragon is a legendary creature, typically with serpentine or reptilian traits, that features in the myths of many cultures.
Dyothelitism
Dyothelitism (a Greek loanword meaning "two wills") is a particular teaching about how the divine and human relate in the person of Jesus, known as a Christological doctrine.
Dyothelitism (a Greek loanword meaning "two wills") is a particular teaching about how the divine and human relate in the person of Jesus, known as a Christological doctrine.
Dyslexia
Dyslexia is a very broad term defining a learning disability that impairs a person's fluency or comprehension accuracy in being able to read, and which can manifest itself as a difficulty with p...
Dyslexia is a very broad term defining a learning disability that impairs a person's fluency or comprehension accuracy in being able to read, and which can manifest itself as a difficulty with p...
Echo (phenomenon)
In audio signal processing and acoustics, an echo (plural echoes) is a reflection of sound, arriving at the listener some time after the direct sound.
In audio signal processing and acoustics, an echo (plural echoes) is a reflection of sound, arriving at the listener some time after the direct sound.
Echthroi
Echthroi (Ἐχθροί) is a Greek word meaning "The Enemy" (literally "enemies").
Echthroi (Ἐχθροί) is a Greek word meaning "The Enemy" (literally "enemies").
Eclecticism
Eclecticism is a conceptual approach that does not hold rigidly to a single paradigm or set of assumptions, but instead draws upon multiple theories, styles, or ideas to gain complementary insig...
Eclecticism is a conceptual approach that does not hold rigidly to a single paradigm or set of assumptions, but instead draws upon multiple theories, styles, or ideas to gain complementary insig...
Ecology
Ecology is the scientific study of the relations that living organisms have with respect to each other and their natural environment.
Ecology is the scientific study of the relations that living organisms have with respect to each other and their natural environment.
Economics
Economics is the social science that analyzes the production, distribution, and consumption of goods and services.
Economics is the social science that analyzes the production, distribution, and consumption of goods and services.
Ecstasy (emotion)
Ecstasy from the Ancient Greek, έκ-στασις, is a subjective experience of total involvement of the subject, with an object of his or her awareness.
Ecstasy from the Ancient Greek, έκ-στασις, is a subjective experience of total involvement of the subject, with an object of his or her awareness.
Ecstasy (philosophy)
Ecstasy, (or ekstasis) from the Ancient Greek, έκ-στασις (ek-stasis), "to be or stand outside oneself, a removal to elsewhere (from ek-: out, and stasis: a stand, or a standoff of ...
Ecstasy, (or ekstasis) from the Ancient Greek, έκ-στασις (ek-stasis), "to be or stand outside oneself, a removal to elsewhere (from ek-: out, and stasis: a stand, or a standoff of ...
Edaphology
Edaphology (from Greek, edaphos, "ground"; and, -logia) is one of two main divisions of soil science, the other being pedology.
Edaphology (from Greek, edaphos, "ground"; and, -logia) is one of two main divisions of soil science, the other being pedology.
Edema
Edema or oedema, formerly known as dropsy or hydropsy, is an abnormal accumulation of fluid beneath the skin or in one or more cavities of the body that produces swelling.
Edema or oedema, formerly known as dropsy or hydropsy, is an abnormal accumulation of fluid beneath the skin or in one or more cavities of the body that produces swelling.
Eisegesis
Eisegesis is the process of misinterpreting a text in such a way that it introduces one's own ideas, reading into the text.
Eisegesis is the process of misinterpreting a text in such a way that it introduces one's own ideas, reading into the text.
Ektenia
Ektenia (from ἐκτένεια ekténeia; literally, "diligence"), often called simply Litany, is a prayerful petition in the Eastern Orthodox/Eastern Catholic liturgy.
Ektenia (from ἐκτένεια ekténeia; literally, "diligence"), often called simply Litany, is a prayerful petition in the Eastern Orthodox/Eastern Catholic liturgy.
Elaunin
Elaunin is a component of elastic fibers formed from a deposition of elastin between oxytalan fibers.
Elaunin is a component of elastic fibers formed from a deposition of elastin between oxytalan fibers.
Elephant
Elephants are large land mammals in two extant genera of the family Elephantidae: Elephas and Loxodonta, with the third genus Mammuthus extinct.
Elephants are large land mammals in two extant genera of the family Elephantidae: Elephas and Loxodonta, with the third genus Mammuthus extinct.
Emblem
An emblem is a pictorial image, abstract or representational, that epitomizes a concept — e.g., a moral truth, or an allegory — or that represents a person, such as a king or saint.
An emblem is a pictorial image, abstract or representational, that epitomizes a concept — e.g., a moral truth, or an allegory — or that represents a person, such as a king or saint.
Embryo
An embryo is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division until birth, hatching, or germination.
An embryo is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division until birth, hatching, or germination.
Embryogenesis
Embryogenesis is the process by which the embryo is formed and develops, until it develops into a fetus.
Embryogenesis is the process by which the embryo is formed and develops, until it develops into a fetus.
Empathy
Empathy is the capacity to recognize feelings that are being experienced by another sentient or semi-sentient being.
Empathy is the capacity to recognize feelings that are being experienced by another sentient or semi-sentient being.
Empyrean
Empyrean, from the Medieval Latin empyreus, and late latin empyrius, an adaptation of the Ancient Greek ἔμπυρος empyrus "in or on the fire", properly Empyrean Heaven, is the ...
Empyrean, from the Medieval Latin empyreus, and late latin empyrius, an adaptation of the Ancient Greek ἔμπυρος empyrus "in or on the fire", properly Empyrean Heaven, is the ...
Encephalopathy
Encephalopathy means disorder or disease of the brain.
Encephalopathy means disorder or disease of the brain.
Encyclopedia
An encyclopedia is a type of reference work, a compendium holding a summary of information from either all branches of knowledge or a particular branch of knowledge.
An encyclopedia is a type of reference work, a compendium holding a summary of information from either all branches of knowledge or a particular branch of knowledge.
Endocrinology
Endocrinology is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions called hormones, the integration of developmental events such as pr...
Endocrinology is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions called hormones, the integration of developmental events such as pr...
Endometriosis
Endometriosis is a gynecological medical condition in which cells from the lining of the uterus (endometrium) appear and flourish outside the uterine cavity, most commonly on the ovaries.
Endometriosis is a gynecological medical condition in which cells from the lining of the uterus (endometrium) appear and flourish outside the uterine cavity, most commonly on the ovaries.
Enharmonic genus
The enharmonic genus has historically been the most mysterious and controversial of the three Greek genera of tetrachords.
The enharmonic genus has historically been the most mysterious and controversial of the three Greek genera of tetrachords.
Enosis
Enosis (Ένωσις, meaning "union") refers to the movement of the Greek-Cypriot population to incorporate the island of Cyprus into Greece.
Enosis (Ένωσις, meaning "union") refers to the movement of the Greek-Cypriot population to incorporate the island of Cyprus into Greece.
Entropy
Entropy is a thermodynamic property that can be used to determine the energy not available for work in a thermodynamic process, such as in energy conversion devices, engines, or machines.
Entropy is a thermodynamic property that can be used to determine the energy not available for work in a thermodynamic process, such as in energy conversion devices, engines, or machines.
Epenthesis
In phonology, epenthesis is the addition of one or more sounds to a word, especially to the interior of a word.
In phonology, epenthesis is the addition of one or more sounds to a word, especially to the interior of a word.
Ephebiphobia
The fear of youth is called ephebiphobia.
The fear of youth is called ephebiphobia.
Ephemeral
Ephemeral things (from Greek εφήμερος – ephemeros, literally "lasting only one day") are transitory, existing only briefly.
Ephemeral things (from Greek εφήμερος – ephemeros, literally "lasting only one day") are transitory, existing only briefly.
Epic poetry
An epic is a lengthy narrative poem, ordinarily concerning a serious subject containing details of heroic deeds and events significant to a culture or nation.
An epic is a lengthy narrative poem, ordinarily concerning a serious subject containing details of heroic deeds and events significant to a culture or nation.
Epicenter
The epicenter or epicentre is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates.
The epicenter or epicentre is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates.
Epiclesis
The epiclesis is that part of the Anaphora by which the priest invokes the Holy Spirit upon the Eucharistic bread and wine in some Christian churches.
The epiclesis is that part of the Anaphora by which the priest invokes the Holy Spirit upon the Eucharistic bread and wine in some Christian churches.
Epigram
An epigram is a brief, interesting, memorable, and sometimes surprising or satirical statement.
An epigram is a brief, interesting, memorable, and sometimes surprising or satirical statement.
Epigraphy
Epigraphy (from the ἐπιγραφή epi-graphē, literally "on-writing", is the study of inscriptions or epigraphs as writing; that is, the science of identifying the graphemes and of classifying t...
Epigraphy (from the ἐπιγραφή epi-graphē, literally "on-writing", is the study of inscriptions or epigraphs as writing; that is, the science of identifying the graphemes and of classifying t...
Epilepsy
Epilepsy, is a common and diverse set of chronic neurological disorders characterized by seizures.
Epilepsy, is a common and diverse set of chronic neurological disorders characterized by seizures.
Epiphany (feeling)
An epiphany is the sudden realization or comprehension of the essence or meaning of something.
An epiphany is the sudden realization or comprehension of the essence or meaning of something.
Epiphany (holiday)
Epiphany or Theophany, which traditionally falls on 6 January, is a Christian feast day that celebrates the revelation of God the Son as a human being in Jesus Christ.
Epiphany or Theophany, which traditionally falls on 6 January, is a Christian feast day that celebrates the revelation of God the Son as a human being in Jesus Christ.
Epiphenomenon
An epiphenomenon (plural - epiphenomena) is a secondary phenomenon that occurs alongside or in parallel to a primary phenomenon.
An epiphenomenon (plural - epiphenomena) is a secondary phenomenon that occurs alongside or in parallel to a primary phenomenon.
Episode
An episode (from Greek ἐπεισόδιον - epeisodion, "parenthetic addition") is a part of a dramatic work such as a serial television or radio program.
An episode (from Greek ἐπεισόδιον - epeisodion, "parenthetic addition") is a part of a dramatic work such as a serial television or radio program.
Epistemology
Epistemology is the branch of philosophy concerned with the nature and scope of knowledge.
Epistemology is the branch of philosophy concerned with the nature and scope of knowledge.
Epistle
An epistle (; Greek ἐπιστολή, epistolē, 'letter') is a writing directed or sent to a person or group of people, usually an elegant and formal didactic letter.
An epistle (; Greek ἐπιστολή, epistolē, 'letter') is a writing directed or sent to a person or group of people, usually an elegant and formal didactic letter.
Epitaph
An epitaph is a short text honoring a deceased person, strictly speaking that is inscribed on their tombstone or plaque, but also used figuratively.
An epitaph is a short text honoring a deceased person, strictly speaking that is inscribed on their tombstone or plaque, but also used figuratively.
Epithet
An epithet (from epitheton, neut.
An epithet (from epitheton, neut.
Eros (concept)
Eros ( or ; érōs) is one of the four words in Ancient Greek which can be rendered into English as “love”.
Eros ( or ; érōs) is one of the four words in Ancient Greek which can be rendered into English as “love”.
Eschatology
Eschatology is a part of theology, philosophy, and futurology concerned with what are believed to be the final events of history, the ultimate destiny of humanity—commonly referred to as the en...
Eschatology is a part of theology, philosophy, and futurology concerned with what are believed to be the final events of history, the ultimate destiny of humanity—commonly referred to as the en...
Ethics
Ethics, also known as moral philosophy, is a branch of philosophy that involves systematizing, defending, and recommending concepts of right and wrong behavior.
Ethics, also known as moral philosophy, is a branch of philosophy that involves systematizing, defending, and recommending concepts of right and wrong behavior.
Ethnic group
An ethnic group is a group of people who share a common ethnicity.
An ethnic group is a group of people who share a common ethnicity.
Ethos
Ethos ( or ) is a Greek word meaning "character" that is used to describe the guiding beliefs or ideals that characterize a community, nation, or ideology.
Ethos ( or ) is a Greek word meaning "character" that is used to describe the guiding beliefs or ideals that characterize a community, nation, or ideology.
Etiology
Etiology is the study of causation, or origination.
Etiology is the study of causation, or origination.
Etiology (medicine)
Etiology is the study of causation, or origination.
Etiology is the study of causation, or origination.
Etymology
Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time.
Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time.
Eucharist
The Eucharist, also called Holy Communion, the Sacrament of the Altar, the Blessed Sacrament, the Lord's Supper, and other names, is a Christian sacrament or ordinance.
The Eucharist, also called Holy Communion, the Sacrament of the Altar, the Blessed Sacrament, the Lord's Supper, and other names, is a Christian sacrament or ordinance.
Eudaimonia
Eudaimonia or eudaemonia, sometimes Anglicized as eudemonia, is a Greek word commonly translated as happiness or welfare; however, "human flourishing" has been propos...
Eudaimonia or eudaemonia, sometimes Anglicized as eudemonia, is a Greek word commonly translated as happiness or welfare; however, "human flourishing" has been propos...
Eulogia
The term eulogia (ευλογία), Greek for "a blessing", has been applied in ecclesiastical usage to the object blessed.
The term eulogia (ευλογία), Greek for "a blessing", has been applied in ecclesiastical usage to the object blessed.
Eunoia
Eunoia is the shortest English word containing all five main vowel graphemes.
Eunoia is the shortest English word containing all five main vowel graphemes.
Eunuch
A eunuch is a person who may have been castrated, typically early enough in his life for this change to have major hormonal consequences.
A eunuch is a person who may have been castrated, typically early enough in his life for this change to have major hormonal consequences.
Euphoria
Euphoria is medically recognized as a mental and emotional condition in which a person experiences intense feelings of well-being, elation, happiness, ecstasy, excitement, and joy.
Euphoria is medically recognized as a mental and emotional condition in which a person experiences intense feelings of well-being, elation, happiness, ecstasy, excitement, and joy.
Eureka effect
The eureka effect is any sudden unexpected discovery, or the sudden realization of the solution to a problem, resulting in a eureka moment, also dubbed as "breakthrough thinking".
The eureka effect is any sudden unexpected discovery, or the sudden realization of the solution to a problem, resulting in a eureka moment, also dubbed as "breakthrough thinking".
Euthymia (medicine)
Euthymia is a word used for indicating a normal non-depressed, reasonably positive mood.
Euthymia is a word used for indicating a normal non-depressed, reasonably positive mood.
Eutrophication
Eutrophication (Greek: eutrophia—healthy, adequate nutrition, development; Eutrophie) or more precisely hypertrophication, is the ecosystem response to the addition of artificial or na...
Eutrophication (Greek: eutrophia—healthy, adequate nutrition, development; Eutrophie) or more precisely hypertrophication, is the ecosystem response to the addition of artificial or na...
Evangelic
Evangelicalism is a Protestant Christian movement which began in Great Britain in the 1730s.
Evangelicalism is a Protestant Christian movement which began in Great Britain in the 1730s.
Even-toed ungulate
The even-toed ungulates are ungulates whose weight is borne about equally by the third and fourth toes, rather than mostly or entirely by the third as in odd-toed ungulates such as horses.
The even-toed ungulates are ungulates whose weight is borne about equally by the third and fourth toes, rather than mostly or entirely by the third as in odd-toed ungulates such as horses.
Exegesis
Exegesis is a critical explanation or interpretation of a text, especially a religious text.
Exegesis is a critical explanation or interpretation of a text, especially a religious text.
Exocytosis
Exocytosis, also known as 'The peni-cytosis', is the durable process by which a cell directs the contents of secretory vesicles out of the cell membrane.
Exocytosis, also known as 'The peni-cytosis', is the durable process by which a cell directs the contents of secretory vesicles out of the cell membrane.
Exorcism
Exorcism (from Greek ἐξορκισμός, exorkismos - binding by oath) is the religious practice of evicting demons or other spiritual entities from a person or place which they are believed to have...
Exorcism (from Greek ἐξορκισμός, exorkismos - binding by oath) is the religious practice of evicting demons or other spiritual entities from a person or place which they are believed to have...
Gaia (mythology)
Gaia was the goddess or personification of Earth in ancient Greek religion, one of the Greek primordial deities.
Gaia was the goddess or personification of Earth in ancient Greek religion, one of the Greek primordial deities.
Galley
A galley is a type of ship propelled by rowers that originated in the Mediterranean region and was used for warfare, trade and piracy from the first millennium BC. Galleys dominated naval warfar...
A galley is a type of ship propelled by rowers that originated in the Mediterranean region and was used for warfare, trade and piracy from the first millennium BC. Galleys dominated naval warfar...
Gastraphetes
The gastraphetes (from Ancient Greek γαστραφέτης, English translation: "belly-releaser") was a hand-held crossbow used by the Ancient Greeks.
The gastraphetes (from Ancient Greek γαστραφέτης, English translation: "belly-releaser") was a hand-held crossbow used by the Ancient Greeks.
Genetics
Genetics, a discipline of biology, is the science of genes, heredity, and variation in living organisms.
Genetics, a discipline of biology, is the science of genes, heredity, and variation in living organisms.
Geodesy
Geodesy, also named geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational fiel...
Geodesy, also named geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational fiel...
Geography
Geography is the science that studies the lands, the features, the inhabitants, and the phenomena of the Earth.
Geography is the science that studies the lands, the features, the inhabitants, and the phenomena of the Earth.
Geometry
Geometry is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.
Geometry is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.
Giant (mythology)
"Giant" is the English word commonly used for such beings, derived from one of the most famed examples: the gigantes of Greek mythology.
"Giant" is the English word commonly used for such beings, derived from one of the most famed examples: the gigantes of Greek mythology.
Gigantomachy
In Greek mythology, Gigantomachy was the symbolic struggle between the cosmic order of the Olympians led by Zeus and the nether forces of Chaos led by the giant Alcyoneus.
In Greek mythology, Gigantomachy was the symbolic struggle between the cosmic order of the Olympians led by Zeus and the nether forces of Chaos led by the giant Alcyoneus.
Glossator
The scholars of the 11th and 12th century legal schools in Italy, France and Germany are identified as glossators in a specific sense.
The scholars of the 11th and 12th century legal schools in Italy, France and Germany are identified as glossators in a specific sense.
Glossolalia
Glossolalia or speaking in tongues is the fluid vocalizing of speech-like syllables which lack any readily comprehended meaning, in some cases, as part of religious practice.
Glossolalia or speaking in tongues is the fluid vocalizing of speech-like syllables which lack any readily comprehended meaning, in some cases, as part of religious practice.
Gnosis
Gnosis is the common Greek noun for knowledge (in the nominative case γνῶσις f.).
Gnosis is the common Greek noun for knowledge (in the nominative case γνῶσις f.).
Grammar
In linguistics, grammar is the set of structural rules that govern the composition of clauses, phrases, and words in any given natural language.
In linguistics, grammar is the set of structural rules that govern the composition of clauses, phrases, and words in any given natural language.
Gymnasium (ancient Greece)
The gymnasium in ancient Greece functioned as a training facility for competitors in public games.
The gymnasium in ancient Greece functioned as a training facility for competitors in public games.
Gymnastics
Gymnastics is a sport involving the performance of exercises requiring physical strength, flexibility, agility, coordination, and balance.
Gymnastics is a sport involving the performance of exercises requiring physical strength, flexibility, agility, coordination, and balance.
Haemophilia
Haemophilia is a group of hereditary genetic disorders that impair the body's ability to control blood clotting or coagulation, which is used to stop bleeding when a blood vessel is broken.
Haemophilia is a group of hereditary genetic disorders that impair the body's ability to control blood clotting or coagulation, which is used to stop bleeding when a blood vessel is broken.
Hamartia
Hamartia (Ancient Greek: ) is an injury committed in ignorance (when the person affected or the results are not what the agent supposed they were).
Hamartia (Ancient Greek: ) is an injury committed in ignorance (when the person affected or the results are not what the agent supposed they were).
Hamartiology
Hamartiology (Greek: ἁμαρτία, hamartia, "missing the mark," "sin," + -λογια, -logia, "sayings" or "discourse") is the branch of Christian theology which aims to develop and articulate a ...
Hamartiology (Greek: ἁμαρτία, hamartia, "missing the mark," "sin," + -λογια, -logia, "sayings" or "discourse") is the branch of Christian theology which aims to develop and articulate a ...
Helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors.
A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors.
Helix
A helix (pl: helixes or helices) is a type of space curve, i.e. a smooth curve in three-dimensional space.
A helix (pl: helixes or helices) is a type of space curve, i.e. a smooth curve in three-dimensional space.
Hemorrhoid
Hemorrhoids or haemorrhoids, are vascular structures in the anal canal which help with stool control.
Hemorrhoids or haemorrhoids, are vascular structures in the anal canal which help with stool control.
Hermeneutics
In religious studies and social philosophy, hermeneutics is the study of the theory and practice of interpretation.
In religious studies and social philosophy, hermeneutics is the study of the theory and practice of interpretation.
Hermit
A hermit (adjectival form: eremitic) is a person who lives, to some degree, in seclusion from society.
A hermit (adjectival form: eremitic) is a person who lives, to some degree, in seclusion from society.
Hero
A hero, in Greek mythology and folklore, was originally a demigod, their cult being one of the most distinctive features of ancient Greek religion.
A hero, in Greek mythology and folklore, was originally a demigod, their cult being one of the most distinctive features of ancient Greek religion.
Hexis
Hexis (ἕξις) is a Greek word, important in the philosophy of Aristotle, and because of this it has become a traditional word of philosophy.
Hexis (ἕξις) is a Greek word, important in the philosophy of Aristotle, and because of this it has become a traditional word of philosophy.
Hierarchy
A hierarchy is an arrangement of items in which the items are represented as being "above," "below," or "at the same level as" one another.
A hierarchy is an arrangement of items in which the items are represented as being "above," "below," or "at the same level as" one another.
Hieros gamos
Hieros gamos or Hierogamy (Greek, "holy marriage") refers to a sexual ritual that plays out a marriage between a god and a goddess, especially when enacted in a symbolic ritual where ...
Hieros gamos or Hierogamy (Greek, "holy marriage") refers to a sexual ritual that plays out a marriage between a god and a goddess, especially when enacted in a symbolic ritual where ...
Hippopotamus
The hippopotamus (Hippopotamus amphibius), or hippo, from the ancient Greek for "river horse", is a large, mostly herbivorous mammal in sub-Saharan Africa, and one of only two extant s...
The hippopotamus (Hippopotamus amphibius), or hippo, from the ancient Greek for "river horse", is a large, mostly herbivorous mammal in sub-Saharan Africa, and one of only two extant s...
Histology
Histology is the study of the microscopic anatomy of cells and tissues of plants and animals.
Histology is the study of the microscopic anatomy of cells and tissues of plants and animals.
Histopathology
Histopathology refers to the microscopic examination of tissue in order to study the manifestations of disease.
Histopathology refers to the microscopic examination of tissue in order to study the manifestations of disease.
Historiography
Historiography refers either to the study of the history and methodology of history as a discipline, or to a body of historical work on a specialized topic.
Historiography refers either to the study of the history and methodology of history as a discipline, or to a body of historical work on a specialized topic.
History
History is the discovery, collection, organization, and presentation of information about past events.
History is the discovery, collection, organization, and presentation of information about past events.
Hoi polloi
Hoi polloi, an expression meaning "the many", or in the strictest sense, "the majority" in Greek, is used in English to refer to the working class, commoners, "the masses" or "common people" in ...
Hoi polloi, an expression meaning "the many", or in the strictest sense, "the majority" in Greek, is used in English to refer to the working class, commoners, "the masses" or "common people" in ...
Homeostasis
Homeostasis is the property of a system that regulates its internal environment and tends to maintain a stable, constant condition of properties such as temperature or pH. It can be either an op...
Homeostasis is the property of a system that regulates its internal environment and tends to maintain a stable, constant condition of properties such as temperature or pH. It can be either an op...
Homiletics
Homiletics, in theology the application of the general principles of rhetoric to the specific department of public preaching.
Homiletics, in theology the application of the general principles of rhetoric to the specific department of public preaching.
Homonym
In linguistics, a homonym is, in the strict sense, one of a group of words that share the same spelling and the same pronunciation but have different meanings.
In linguistics, a homonym is, in the strict sense, one of a group of words that share the same spelling and the same pronunciation but have different meanings.
Homophone
A homophone is a word that is pronounced the same as another word but differs in meaning.
A homophone is a word that is pronounced the same as another word but differs in meaning.
Horizon
The horizon is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.
The horizon is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.
Hormone
A hormone (from Greek, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism.
A hormone (from Greek, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism.
Horologion
The HorologionHorologionHorologion (Ὡρολόγιον; Church Slavonic: Часocлoвъ, Chasoslov, Ceaslov), or Book of Hours, provides the fixed portions of the Daily Cycle of services...
The HorologionHorologionHorologion (Ὡρολόγιον; Church Slavonic: Часocлoвъ, Chasoslov, Ceaslov), or Book of Hours, provides the fixed portions of the Daily Cycle of services...
Horoscope
In astrology, a horoscope is a chart or diagram representing the positions of the Sun, Moon, planets, the astrological aspects, and sensitive angles at the time of an event, such as the moment o...
In astrology, a horoscope is a chart or diagram representing the positions of the Sun, Moon, planets, the astrological aspects, and sensitive angles at the time of an event, such as the moment o...
Hydraulics
Hydraulics is a topic in applied science and engineering dealing with the mechanical properties of liquids.
Hydraulics is a topic in applied science and engineering dealing with the mechanical properties of liquids.
Hydromancy
Hydromancy (from Greek "hydro", meaning water, and "manteia", meaning divination) is a method of divination by means of water, including the color, ebb and flow, or ripples produced by p...
Hydromancy (from Greek "hydro", meaning water, and "manteia", meaning divination) is a method of divination by means of water, including the color, ebb and flow, or ripples produced by p...
Hydrosphere
A hydrosphere (from Greek ὕδωρ - hudōr, "water" and σφαῖρα - sphaira, "sphere") in physical geography describes the combined mass of water found on, under, and over the surface of a planet.
A hydrosphere (from Greek ὕδωρ - hudōr, "water" and σφαῖρα - sphaira, "sphere") in physical geography describes the combined mass of water found on, under, and over the surface of a planet.
Hyena
Hyenas or Hyaenas (from Greek "ὕαινα" - hyaina) are the animals of the family Hyaenidae of suborder feliforms of the Carnivora.
Hyenas or Hyaenas (from Greek "ὕαινα" - hyaina) are the animals of the family Hyaenidae of suborder feliforms of the Carnivora.
Hygiene
Hygiene refers to the set of practices perceived by a community to be associated with the preservation of health and healthy living.
Hygiene refers to the set of practices perceived by a community to be associated with the preservation of health and healthy living.
Hylophobia
Hylophobia, also known as Xylophobia or Ylophobia, is a psychological disorder defined by an irrational fear of wood, forest or trees.
Hylophobia, also known as Xylophobia or Ylophobia, is a psychological disorder defined by an irrational fear of wood, forest or trees.
Hymn
A hymn is a type of song, usually religious, specifically written for the purpose of praise, adoration or prayer, and typically addressed to a deity or deities, or to a prominent figure or perso...
A hymn is a type of song, usually religious, specifically written for the purpose of praise, adoration or prayer, and typically addressed to a deity or deities, or to a prominent figure or perso...
Hyperbole
Hyperbole is the use of exaggeration as a rhetorical device or figure of speech.
Hyperbole is the use of exaggeration as a rhetorical device or figure of speech.
Hypnosis
Hypnosis is "a trance state characterized by extreme suggestibility, relaxation and heightened imagination.
Hypnosis is "a trance state characterized by extreme suggestibility, relaxation and heightened imagination.
Hypotenuse
In geometry, a hypotenuse is the longest side of a right-angled triangle, the side opposite the right angle.
In geometry, a hypotenuse is the longest side of a right-angled triangle, the side opposite the right angle.
Hypsometry
Hypsometry (from Greek ὕψος, hupsos, "height" and μέτρον, metron, "measure") is the measurement of land elevation relative to sea level.
Hypsometry (from Greek ὕψος, hupsos, "height" and μέτρον, metron, "measure") is the measurement of land elevation relative to sea level.
Icosahedron
In geometry, an icosahedron ( or ) is a regular polyhedron with 20 identical equilateral triangular faces, 30 edges and 12 vertices.
In geometry, an icosahedron ( or ) is a regular polyhedron with 20 identical equilateral triangular faces, 30 edges and 12 vertices.
Ideasthesia
Ideasthesia is defined as a phenomenon in which activations of concepts evoke perception-like experiences.
Ideasthesia is defined as a phenomenon in which activations of concepts evoke perception-like experiences.
Idiot
An idiot, dolt, or dullard is a mentally deficient person, or someone who acts in a self-defeating or significantly counterproductive way.
An idiot, dolt, or dullard is a mentally deficient person, or someone who acts in a self-defeating or significantly counterproductive way.
Idolatry
Idolatry is a pejorative term for the worship of an idol, a physical object such as a cult image, as a god, or practices believed to verge on worship, such as giving undue honour and regard to c...
Idolatry is a pejorative term for the worship of an idol, a physical object such as a cult image, as a god, or practices believed to verge on worship, such as giving undue honour and regard to c...
Idyll
An idyll or idyl is a short poem, descriptive of rustic life, written in the style of Theocritus' short pastoral poems, the Idylls.
An idyll or idyl is a short poem, descriptive of rustic life, written in the style of Theocritus' short pastoral poems, the Idylls.
Jealousy
Jealousy is an emotion and typically refers to the negative thoughts and feelings of insecurity, fear, and anxiety over an anticipated loss of something that the person values, particularly in r...
Jealousy is an emotion and typically refers to the negative thoughts and feelings of insecurity, fear, and anxiety over an anticipated loss of something that the person values, particularly in r...
Jujube
Ziziphus zizyphus, commonly called jujube, red date, Chinese date, Korean date, or Indian date is a species of Ziziphus in the buckthorn family Rhamnaceae, ...
Ziziphus zizyphus, commonly called jujube, red date, Chinese date, Korean date, or Indian date is a species of Ziziphus in the buckthorn family Rhamnaceae, ...
Kaleidoscope
A kaleidoscopes is a circle of mirrors containing loose, colored objects such as beads or pebbles and bits of glass.
A kaleidoscopes is a circle of mirrors containing loose, colored objects such as beads or pebbles and bits of glass.
Katagelasticism
Katagelasticism refers to the psychological condition in which a person excessively enjoys laughing at others (katagelao = Greek for "laughing at").
Katagelasticism refers to the psychological condition in which a person excessively enjoys laughing at others (katagelao = Greek for "laughing at").
Kenosis
In Christian theology, Kenosis is the 'self-emptying' of one's own will and becoming entirely receptive to God's divine will.
In Christian theology, Kenosis is the 'self-emptying' of one's own will and becoming entirely receptive to God's divine will.
Kerygma
Kerygma (Greek: κήρυγμα, kérugma) is the Greek word used in the New Testament for preaching (see Luke 4:18-19, Romans 10:14, ).
Kerygma (Greek: κήρυγμα, kérugma) is the Greek word used in the New Testament for preaching (see Luke 4:18-19, Romans 10:14, ).
Kinesis (biology)
Kinesis, like a taxis, is a movement or activity of a cell or an organism in response to a stimulus.
Kinesis, like a taxis, is a movement or activity of a cell or an organism in response to a stimulus.
Kopis
The term kopis could describe a heavy knife with a forward-curving blade, primarily used as a tool for cutting meat, for slaughter and animal sacrifice, or refer to a single edged cutting or 'cu...
The term kopis could describe a heavy knife with a forward-curving blade, primarily used as a tool for cutting meat, for slaughter and animal sacrifice, or refer to a single edged cutting or 'cu...
Kulich
Kulich is a kind of Easter bread, traditional in the Orthodox Christian faith and eaten in Russia, Belarus, Bulgaria, Ukraine, Georgia and Serbia.
Kulich is a kind of Easter bread, traditional in the Orthodox Christian faith and eaten in Russia, Belarus, Bulgaria, Ukraine, Georgia and Serbia.
Kyriarchy
Kyriarchy is a neologism coined by Elisabeth Schüssler Fiorenza to describe interconnected, interacting, and multiplicative systems of domination and submission, within which a person oppressed ...
Kyriarchy is a neologism coined by Elisabeth Schüssler Fiorenza to describe interconnected, interacting, and multiplicative systems of domination and submission, within which a person oppressed ...
Kyrie
Kyrie, a transliteration of Greek κύριε (kyrie), vocative case of κύριος (kyrios), meaning "Lord", is the common name of an important prayer of Christian liturgy, which is also called the Ký...
Kyrie, a transliteration of Greek κύριε (kyrie), vocative case of κύριος (kyrios), meaning "Lord", is the common name of an important prayer of Christian liturgy, which is also called the Ký...
Lasagne
Lasagna (plural: Lasagne) is a very wide, flat pasta ( sometimes with wavy edges ).
Lasagna (plural: Lasagne) is a very wide, flat pasta ( sometimes with wavy edges ).
Lemma (mathematics)
In mathematics, a lemma (plural lemmata or lemmas from the Greek λῆμμα (lemma, “anything which is received, such as a gift, profit, or a bribe”) is a proven proposition which...
In mathematics, a lemma (plural lemmata or lemmas from the Greek λῆμμα (lemma, “anything which is received, such as a gift, profit, or a bribe”) is a proven proposition which...
Leonardo da Vinci
Leonardo di ser Piero da Vinci was an Italian Renaissance polymath: painter, sculptor, architect, musician, scientist, mathematician, engineer, inventor, anatomist, geologist, cartographer, bota...
Leonardo di ser Piero da Vinci was an Italian Renaissance polymath: painter, sculptor, architect, musician, scientist, mathematician, engineer, inventor, anatomist, geologist, cartographer, bota...
Lexicology
Lexicology is the part of linguistics which studies words, their nature and meaning, words' elements, relations between words, word groups and the whole lexicon.
Lexicology is the part of linguistics which studies words, their nature and meaning, words' elements, relations between words, word groups and the whole lexicon.
Lexicon
In linguistics, the description of a language is split into two parts, the grammar consisting of rules describing correct sentence formation and the lexicon listing words and phrases that ...
In linguistics, the description of a language is split into two parts, the grammar consisting of rules describing correct sentence formation and the lexicon listing words and phrases that ...
Lexis (Aristotle)
Lexis - (lek sis) A Greek word meaning: A complete group of words in a language, vocabulary, the total set of all words in a language, all words that have meaning or a function in grammar.
Lexis - (lek sis) A Greek word meaning: A complete group of words in a language, vocabulary, the total set of all words in a language, all words that have meaning or a function in grammar.
Lexis (linguistics)
In linguistics, a lexis (from the Greek: λέξις "word") is the total word-stock or lexicon having items of lexical, rather than grammatical, meaning.
In linguistics, a lexis (from the Greek: λέξις "word") is the total word-stock or lexicon having items of lexical, rather than grammatical, meaning.
Lion
The lion (Panthera leo) is one of the four big cats in the genus Panthera, and a member of the family Felidae.
The lion (Panthera leo) is one of the four big cats in the genus Panthera, and a member of the family Felidae.
Liquorice
Liquorice or licorice is the root of Glycyrrhiza glabra from which a somewhat sweet flavour can be extracted.
Liquorice or licorice is the root of Glycyrrhiza glabra from which a somewhat sweet flavour can be extracted.
Lithography
Lithography is a method for printing using a stone or a metal plate with a completely smooth surface.
Lithography is a method for printing using a stone or a metal plate with a completely smooth surface.
Logia
In New Testament scholarship, the term logia (Greek: "λόγια", "sayings, utterances, oracles", singular: "λόγιον", logion) is a term applied to collections of sayings credited t...
In New Testament scholarship, the term logia (Greek: "λόγια", "sayings, utterances, oracles", singular: "λόγιον", logion) is a term applied to collections of sayings credited t...
Logic
Logic (from the Greek λογική logikē) is the philosophical study of valid reasoning.
Logic (from the Greek λογική logikē) is the philosophical study of valid reasoning.
Lyrics
Lyrics are a set of words that make up a song, usually consisting of verses and choruses.
Lyrics are a set of words that make up a song, usually consisting of verses and choruses.
Lysis
Lysis (Greek λύσις, lýsis from lýein "to separate") refers to the breaking down of a cell, often by viral, enzymic, or osmotic mechanisms that compromise its integrity.
Lysis (Greek λύσις, lýsis from lýein "to separate") refers to the breaking down of a cell, often by viral, enzymic, or osmotic mechanisms that compromise its integrity.
Machine
A machine is a tool consisting of one or more parts that is constructed to achieve a particular goal.
A machine is a tool consisting of one or more parts that is constructed to achieve a particular goal.
Makhaira
Makhaira is a term used by modern scholars to describe a type of ancient bladed weapon, generally a large knife with a slight backwards curve.
Makhaira is a term used by modern scholars to describe a type of ancient bladed weapon, generally a large knife with a slight backwards curve.
Mania
Mania a state of abnormally elevated or irritable mood, arousal, and/ or energy levels.
Mania a state of abnormally elevated or irritable mood, arousal, and/ or energy levels.
Marble
Marble is a non-foliated metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite.
Marble is a non-foliated metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite.
Martyr
A martyr (Greek: μάρτυς, mártys, "witness"; stem μάρτυρ-, mártyr-) is somebody who suffers persecution and death for refusing to renounce, or accept, a belief or cause, usually religious.
A martyr (Greek: μάρτυς, mártys, "witness"; stem μάρτυρ-, mártyr-) is somebody who suffers persecution and death for refusing to renounce, or accept, a belief or cause, usually religious.
Mathematics
Mathematics (from Greek μάθημα máthēma, “knowledge, study, learning”) is the study of quantity, structure, space, and change.
Mathematics (from Greek μάθημα máthēma, “knowledge, study, learning”) is the study of quantity, structure, space, and change.
Matriarchy
A matriarchy is a society in which females, especially mothers, have the central roles of political leadership, moral authority, and control of property.
A matriarchy is a society in which females, especially mothers, have the central roles of political leadership, moral authority, and control of property.
Mechanic
A mechanic is a tradesman, craftsman, or technician who uses tools to build or repair machinery.
A mechanic is a tradesman, craftsman, or technician who uses tools to build or repair machinery.
Mechanics
Mechanics (Greek ) is the branch of physics concerned with the behavior of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment.
Mechanics (Greek ) is the branch of physics concerned with the behavior of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment.
Medal
A medal, or medallion, is generally a circular object that has been sculpted, molded, cast, struck, stamped, or some way rendered with an insignia, portrait, or other artistic rendering.
A medal, or medallion, is generally a circular object that has been sculpted, molded, cast, struck, stamped, or some way rendered with an insignia, portrait, or other artistic rendering.
Melancholia
Melancholia, also lugubriousness, from the Latin lugere, to mourn; moroseness, from the Latin morosus, self-willed, fastidious habit; wistfulness, from old English w...
Melancholia, also lugubriousness, from the Latin lugere, to mourn; moroseness, from the Latin morosus, self-willed, fastidious habit; wistfulness, from old English w...
Melody
A melody (from Greek μελῳδία - melōidía, "singing, chanting"), also tune, voice, or line, is a linear succession of musical tones which is perceived as a single entity.
A melody (from Greek μελῳδία - melōidía, "singing, chanting"), also tune, voice, or line, is a linear succession of musical tones which is perceived as a single entity.
Melon
Melon is a name given to various members of the plant family Cucurbitaceae with sweet flavored, fleshy fruit e.g. gourds or cucurbits.
Melon is a name given to various members of the plant family Cucurbitaceae with sweet flavored, fleshy fruit e.g. gourds or cucurbits.
Meme
A meme is "an idea, behavior or style that spreads from person to person within a culture."
A meme is "an idea, behavior or style that spreads from person to person within a culture."
Mentor
In Greek mythology, Mentor was the son of Alcimus or Anchialus.
In Greek mythology, Mentor was the son of Alcimus or Anchialus.
Mesolithic
The Mesolithic is an archaeological concept used to refer to specific groups of archaeological cultures defined as falling between the Paleolithic and the Neolithic.
The Mesolithic is an archaeological concept used to refer to specific groups of archaeological cultures defined as falling between the Paleolithic and the Neolithic.
Meta
Meta-, is a prefix used in English to indicate a concept which is an abstraction from another concept, used to complete or add to the latter.
Meta-, is a prefix used in English to indicate a concept which is an abstraction from another concept, used to complete or add to the latter.
Metal
A metal is an element, compound, or alloy that is a good conductor of both electricity and heat.
A metal is an element, compound, or alloy that is a good conductor of both electricity and heat.
Metamaterial
Metamaterials are artificial materials engineered to have properties that may not be found in nature.
Metamaterials are artificial materials engineered to have properties that may not be found in nature.
Metamaterial cloaking
Metamaterial cloaking is the scientific application of metamaterials in order to achieve invisibility-cloaking.
Metamaterial cloaking is the scientific application of metamaterials in order to achieve invisibility-cloaking.
Metamorphosis
Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through ...
Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through ...
Metaphor
A metaphor is a literary figure of speech that describes a subject by asserting that it is, on some point of comparison, the same as another otherwise unrelated object.
A metaphor is a literary figure of speech that describes a subject by asserting that it is, on some point of comparison, the same as another otherwise unrelated object.
Metaxy
Metaxy or metaxu is defined in Plato's Symposium via the character of the priestess Diotima as the "in-between" or "middle ground".
Metaxy or metaxu is defined in Plato's Symposium via the character of the priestess Diotima as the "in-between" or "middle ground".
Metonymy
Metonymy is a figure of speech used in rhetoric in which a thing or concept is not called by its own name, but by the name of something intimately associated with that thing or concept.
Metonymy is a figure of speech used in rhetoric in which a thing or concept is not called by its own name, but by the name of something intimately associated with that thing or concept.
Microscopy
Microscopy is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye).
Microscopy is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye).
Mimesis
Mimesis is a critical and philosophical term that carries a wide range of meanings, which include: imitation, representation, mimicry, imitatio, receptivity, nonsensuous similarity, the act ...
Mimesis is a critical and philosophical term that carries a wide range of meanings, which include: imitation, representation, mimicry, imitatio, receptivity, nonsensuous similarity, the act ...
Monarch
A monarch is the person who leads a monarchy.
A monarch is the person who leads a monarchy.
Monarchy
A monarchy is a form of government in which sovereignty is actually or nominally embodied in a single individual.
A monarchy is a form of government in which sovereignty is actually or nominally embodied in a single individual.
Monastery
Monastery denotes the building, or complex of buildings, that houses a room reserved for prayer as well as the domestic quarters and workplace of monastics, whether monks or nuns, and whether li...
Monastery denotes the building, or complex of buildings, that houses a room reserved for prayer as well as the domestic quarters and workplace of monastics, whether monks or nuns, and whether li...
Monk
A monk (from μοναχός, monachos, "single, solitary") is a person who practices religious asceticism, living either alone or with any number of other monks, while always maintaining some ...
A monk (from μοναχός, monachos, "single, solitary") is a person who practices religious asceticism, living either alone or with any number of other monks, while always maintaining some ...
Monochrome
Monochrome describes paintings, drawings, design, or photographs in one color or shades of one color.
Monochrome describes paintings, drawings, design, or photographs in one color or shades of one color.
Monogamy
Monogamy /Gr. μονός+γάμος (monos+gamos) - one+marriage/ a form of marriage in which an individual has only one spouse at any one time.
Monogamy /Gr. μονός+γάμος (monos+gamos) - one+marriage/ a form of marriage in which an individual has only one spouse at any one time.
Monogenēs
Monogenēs (μονογενὴς) is a Greek word which may be used both as an adjective monogenēs pais only child, or only legitimate child, special child, and also on its own as a noun; o m...
Monogenēs (μονογενὴς) is a Greek word which may be used both as an adjective monogenēs pais only child, or only legitimate child, special child, and also on its own as a noun; o m...
Monothelitism
Monothelitism or Monotheletism is a particular teaching about how the divine and human relate in the person of Jesus, known as a Christological doctrine, that formally emerged in Armenia a...
Monothelitism or Monotheletism is a particular teaching about how the divine and human relate in the person of Jesus, known as a Christological doctrine, that formally emerged in Armenia a...
Moron (psychology)
Moron is a term once used in psychology to denote mild mental retardation.
Moron is a term once used in psychology to denote mild mental retardation.
Morpheme
In linguistics, a morpheme is the smallest semantically meaningful unit in a language.
In linguistics, a morpheme is the smallest semantically meaningful unit in a language.
Morphological analysis (problem-solving)
Morphological Analysis or General Morphological Analysis is a method developed by Fritz Zwicky for exploring all the possible solutions to a multi-dimensional, non-quantified problem complex.
Morphological Analysis or General Morphological Analysis is a method developed by Fritz Zwicky for exploring all the possible solutions to a multi-dimensional, non-quantified problem complex.
Morphology (linguistics)
In linguistics, morphology is the identification, analysis and description of the structure of a given language's morphemes and other linguistic units, such as words, affixes, parts of speech, i...
In linguistics, morphology is the identification, analysis and description of the structure of a given language's morphemes and other linguistic units, such as words, affixes, parts of speech, i...
Museum
A museum is an institution that cares for a collection of artifacts and other objects of scientific, artistic, cultural, or historical importance and makes them available for public viewing ...
A museum is an institution that cares for a collection of artifacts and other objects of scientific, artistic, cultural, or historical importance and makes them available for public viewing ...
Musicology
Musicology is the scholarly study of music.
Musicology is the scholarly study of music.
Myopia
Myopia is a condition of the eye where the light that comes in does not directly focus on the retina but in front of it.
Myopia is a condition of the eye where the light that comes in does not directly focus on the retina but in front of it.
Mythology
The term "mythology" can refer either to the study of myths, or to a body or collection of myths.
The term "mythology" can refer either to the study of myths, or to a body or collection of myths.
Mythos (Aristotle)
Mythos is the term used by Aristotle in his Poetics for the plot of an Athenian tragedy.
Mythos is the term used by Aristotle in his Poetics for the plot of an Athenian tragedy.
Narcotic
The term narcotic originally referred medically to any psychoactive compound with any sleep-inducing properties.
The term narcotic originally referred medically to any psychoactive compound with any sleep-inducing properties.
Nausea
Nausea (Latin nausea, from Greek, nausiē, "motion sickness", or "wamble"), is a sensation of unease and discomfort in the upper stomach with an involuntary urge to vomit.
Nausea (Latin nausea, from Greek, nausiē, "motion sickness", or "wamble"), is a sensation of unease and discomfort in the upper stomach with an involuntary urge to vomit.
Necromancy
Necromancy is a claimed form of magic involving communication with the deceased – either by summoning their spirit as an apparition or raising them bodily – for the purpose of divination, impart...
Necromancy is a claimed form of magic involving communication with the deceased – either by summoning their spirit as an apparition or raising them bodily – for the purpose of divination, impart...
Necromone
A necromone is a chemical signal given off by a deceased and decomposing organism.
A necromone is a chemical signal given off by a deceased and decomposing organism.
Necrophilia
Necrophilia, also called thanatophilia or necrolagnia, is the sexual attraction to corpses.
Necrophilia, also called thanatophilia or necrolagnia, is the sexual attraction to corpses.
Negative index metamaterials
Negative index metamaterials or negative index materials are artificial structures where the refractive index has a negative value over some frequency range.
Negative index metamaterials or negative index materials are artificial structures where the refractive index has a negative value over some frequency range.
Neolithic
The Neolithic Age, Era, or Period, νέος (nèos, "new") and λίθος (lithos, "stone"): or New Stone era, was a period in the development of human technology, beginning about 10,200 cal.
The Neolithic Age, Era, or Period, νέος (nèos, "new") and λίθος (lithos, "stone"): or New Stone era, was a period in the development of human technology, beginning about 10,200 cal.
Noetic theory
In traditional philosophy, noëtics is a branch of metaphysical philosophy concerned with the study of mind and intellect.
In traditional philosophy, noëtics is a branch of metaphysical philosophy concerned with the study of mind and intellect.
Nonlinear metamaterials
Nonlinear metamaterials are type of periodic, nonlinear, negative index, artificially fabricated, transmission medium.
Nonlinear metamaterials are type of periodic, nonlinear, negative index, artificially fabricated, transmission medium.
Noology
Noology or Noölogy derives from the Greek words νοῦς "mind" and λόγος "logos".
Noology or Noölogy derives from the Greek words νοῦς "mind" and λόγος "logos".
Noosphere
Noosphere, according to the thought of Vladimir Vernadsky and Teilhard de Chardin, denotes the "sphere of human thought".
Noosphere, according to the thought of Vladimir Vernadsky and Teilhard de Chardin, denotes the "sphere of human thought".
Nosokinetics
Nosokinetics is the science/subject of measuring and modelling the process of care in health and social care systems.
Nosokinetics is the science/subject of measuring and modelling the process of care in health and social care systems.
Nosology
Nosology is a branch of medicine that deals with classification of diseases.
Nosology is a branch of medicine that deals with classification of diseases.
Nous
Nous (British: ; US: ), also called intellect or intelligence, is a philosophical term for the faculty of the human mind which is described in classical philosophy as necessary f...
Nous (British: ; US: ), also called intellect or intelligence, is a philosophical term for the faculty of the human mind which is described in classical philosophy as necessary f...
Numismatics
Numismatics is the study or collection of currency, including coins, tokens, paper money, and related objects.
Numismatics is the study or collection of currency, including coins, tokens, paper money, and related objects.
Obelisk
An obelisk is a tall, four-sided, narrow tapering monument which ends in a pyramid-like shape at the top, and is said to resemble a petrified ray of the sun-disk.
An obelisk is a tall, four-sided, narrow tapering monument which ends in a pyramid-like shape at the top, and is said to resemble a petrified ray of the sun-disk.
Ocean
An ocean (; the World Ocean of classical antiquity) is a body of saline water that composes a large part of a planet's hydrosphere.
An ocean (; the World Ocean of classical antiquity) is a body of saline water that composes a large part of a planet's hydrosphere.
Oceanography
Oceanography, also called oceanology or marine science, is the branch of Earth science that studies the ocean.
Oceanography, also called oceanology or marine science, is the branch of Earth science that studies the ocean.
Oceanus
Oceanus (; }} (Ōkeanós); ) was a pseudo-geographical feature in classical antiquity, believed by the ancient Greeks and Romans to be the World Ocean, an enormous river encircling the world.
Oceanus (; }} (Ōkeanós); ) was a pseudo-geographical feature in classical antiquity, believed by the ancient Greeks and Romans to be the World Ocean, an enormous river encircling the world.
Oikos
An oikos (ancient Greek:, plural:, English prefix: Eco for Ecology and Economics) is the ancient Greek equivalent of a household, house, or family.
An oikos (ancient Greek:, plural:, English prefix: Eco for Ecology and Economics) is the ancient Greek equivalent of a household, house, or family.
Oil
An oil is any substance that is liquid at ambient temperatures and is hydrophobic but soluble in organic solvents.
An oil is any substance that is liquid at ambient temperatures and is hydrophobic but soluble in organic solvents.
Oligarchy
Oligarchy is a form of power structure in which power effectively rests with a small number of people.
Oligarchy is a form of power structure in which power effectively rests with a small number of people.
Onomastics
Onomastics or onomatology is the study of proper names of all kinds and the origins of names.
Onomastics or onomatology is the study of proper names of all kinds and the origins of names.
Onomatopoeia
An onomatopoeia or onomatopœia is a word that imitates or suggests the source of the sound that it describes.
An onomatopoeia or onomatopœia is a word that imitates or suggests the source of the sound that it describes.
Ophthalmology
Opthalmology is the branch of medicine that deals with the anatomy, physiology and diseases of the eye.
Opthalmology is the branch of medicine that deals with the anatomy, physiology and diseases of the eye.
Optics
Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.
Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.
Orchestra
An orchestra is a large instrumental ensemble that contains sections of string, brass, woodwind, and percussion instruments.
An orchestra is a large instrumental ensemble that contains sections of string, brass, woodwind, and percussion instruments.
Ordinary
In those hierarchically organised churches of Western Christianity which have an ecclesiastical law system, an ordinary is an officer of the church who by reason of office has ordinary power'...
In those hierarchically organised churches of Western Christianity which have an ecclesiastical law system, an ordinary is an officer of the church who by reason of office has ordinary power'...
Oregano
Oregano, scientifically named Origanum vulgare by Carolus Linnaeus, is a common species of Origanum, a genus of the mint family.
Oregano, scientifically named Origanum vulgare by Carolus Linnaeus, is a common species of Origanum, a genus of the mint family.
Organism
In biology, an organism is any contiguous living system.
In biology, an organism is any contiguous living system.
Organogenesis
In animal development, organogenesis (organo-genesis, compound of the Greek words όργανον "that with which one works", and γένεσις "origin, creation, generation") is the process by which...
In animal development, organogenesis (organo-genesis, compound of the Greek words όργανον "that with which one works", and γένεσις "origin, creation, generation") is the process by which...
Organum
Organum is, in general, a plainchant melody with at least one added voice to enhance the harmony, developed in the Middle Ages.
Organum is, in general, a plainchant melody with at least one added voice to enhance the harmony, developed in the Middle Ages.
Orgasm
Orgasm is the sudden discharge of accumulated sexual tension during the sexual response cycle, resulting in rhythmic muscular contractions in the pelvic region characterized by an intense sens...
Orgasm is the sudden discharge of accumulated sexual tension during the sexual response cycle, resulting in rhythmic muscular contractions in the pelvic region characterized by an intense sens...
Orgia
In ancient Greek religion, an orgion (ὄργιον, more commonly in the plural orgia) was an ecstatic form of worship characteristic of some mystery cults.
In ancient Greek religion, an orgion (ὄργιον, more commonly in the plural orgia) was an ecstatic form of worship characteristic of some mystery cults.
Orthodoxy
The word orthodox is from Greek ὀρθός ("right", "correct", "true", "straight") + δοξία (from "δόξα", meaning "glory").
The word orthodox is from Greek ὀρθός ("right", "correct", "true", "straight") + δοξία (from "δόξα", meaning "glory").
Osteoarthritis
Osteoarthritis also known as degenerative arthritis or degenerative joint disease or osteoarthrosis, is a group of mechanical abnormalities involving degradation of joints, including...
Osteoarthritis also known as degenerative arthritis or degenerative joint disease or osteoarthrosis, is a group of mechanical abnormalities involving degradation of joints, including...
Otolaryngology
Otolaryngology or ENT is the branch of medicine and surgery that specializes in the diagnosis and treatment of disorders of the head and neck.
Otolaryngology or ENT is the branch of medicine and surgery that specializes in the diagnosis and treatment of disorders of the head and neck.
Ousia
Ousia is the Ancient Greek noun formed on the feminine present participle of '; it is analogous to the English participle being, and the modern philosophy adjectival ontic.
Ousia is the Ancient Greek noun formed on the feminine present participle of '; it is analogous to the English participle being, and the modern philosophy adjectival ontic.
Oyster
The word oyster is used as a common name for a number of distinct groups of bivalve molluscs which live in marine or brackish habitats.
The word oyster is used as a common name for a number of distinct groups of bivalve molluscs which live in marine or brackish habitats.
Paean
A paean (, as in "European") is a song or lyric poem expressing triumph or thanksgiving.
A paean (, as in "European") is a song or lyric poem expressing triumph or thanksgiving.
Paideia
paedeia or paideia (παιδεία) to educate (see PAEDEUTICS n.) + - -IA suffix1
Means child-rearing, education.
paedeia or paideia (παιδεία) to educate (see PAEDEUTICS n.) + - -IA suffix1
Means child-rearing, education.
Pain
Pain is an unpleasant feeling often caused by intense or damaging stimuli, such as stubbing a toe, burning a finger, putting alcohol on a cut, and bumping the "funny bone."
Pain is an unpleasant feeling often caused by intense or damaging stimuli, such as stubbing a toe, burning a finger, putting alcohol on a cut, and bumping the "funny bone."
Paleoclimatology
Paleoclimatology is the study of changes in climate taken on the scale of the entire history of Earth.
Paleoclimatology is the study of changes in climate taken on the scale of the entire history of Earth.
Paleolithic
The Paleolithic (or Palæolithic) Age, Era or Period, is a prehistoric period of human history distinguished by the development of the most primitive stone tools discovere...
The Paleolithic (or Palæolithic) Age, Era or Period, is a prehistoric period of human history distinguished by the development of the most primitive stone tools discovere...
Palynology
Palynology is defined as "the study of microscopic objects of macromolecular organic composition (i.e.
Palynology is defined as "the study of microscopic objects of macromolecular organic composition (i.e.
Panentheism
Panentheism is a belief system which posits that the divine exists, interpenetrates every part of nature and timelessly extends beyond it.
Panentheism is a belief system which posits that the divine exists, interpenetrates every part of nature and timelessly extends beyond it.
Pankration
Pankration ( or ) was a martial art introduced into the Greek Olympic Games in 648 BC and founded as a blend of boxing and wrestling but with almost no rules save disallowing biting and gouging ...
Pankration ( or ) was a martial art introduced into the Greek Olympic Games in 648 BC and founded as a blend of boxing and wrestling but with almost no rules save disallowing biting and gouging ...
Panorama
A panorama is any wide-angle view or representation of a physical space, whether in painting, drawing, photography, film/video, or a three-dimensional model.
A panorama is any wide-angle view or representation of a physical space, whether in painting, drawing, photography, film/video, or a three-dimensional model.
Pantomath
A pantomath means, etymologically, a person who knows everything.
A pantomath means, etymologically, a person who knows everything.
Pantomime
Pantomime— not to be confused with a mime artist, a theatrical performer of mime—is a musical-comedy theatrical production traditionally performed in the United Kingdom, Australia, New Zealand, ...
Pantomime— not to be confused with a mime artist, a theatrical performer of mime—is a musical-comedy theatrical production traditionally performed in the United Kingdom, Australia, New Zealand, ...
Paper
Paper is a thin material mainly used for writing upon, printing upon, drawing or for packaging.
Paper is a thin material mainly used for writing upon, printing upon, drawing or for packaging.
Papyrus
Papyrus is a thick paper-like material produced from the pith of the papyrus plant, Cyperus papyrus, a wetland sedge that was once abundant in the Nile Delta of Egypt.
Papyrus is a thick paper-like material produced from the pith of the papyrus plant, Cyperus papyrus, a wetland sedge that was once abundant in the Nile Delta of Egypt.
Parable
A parable is a succinct story, in prose or verse, which illustrates one or more instructive principles, or lessons, or a normative principle.
A parable is a succinct story, in prose or verse, which illustrates one or more instructive principles, or lessons, or a normative principle.
Paradigm
In science, paradigm describes distinct concepts or thought patterns in any scientific discipline or other epistemological context.
In science, paradigm describes distinct concepts or thought patterns in any scientific discipline or other epistemological context.
Paralysis
Paralysis is loss of muscle function for one or more muscles.
Paralysis is loss of muscle function for one or more muscles.
Parameter
Parameter from Ancient Greek παρά also “para” meaning “beside, subsidiary” and μέτρον also “metron” meaning “measure”, can be interpreted in mathematics, logic, linguisti...
Parameter from Ancient Greek παρά also “para” meaning “beside, subsidiary” and μέτρον also “metron” meaning “measure”, can be interpreted in mathematics, logic, linguisti...
Paranoia
Paranoia is a thought process believed to be heavily influenced by anxiety or fear, often to the point of irrationality and delusion.
Paranoia is a thought process believed to be heavily influenced by anxiety or fear, often to the point of irrationality and delusion.
Parasitism
Parasitism is a type of non mutual relationship between organisms of different species where one organism, the parasite, benefits at the expense of the other, the host.
Parasitism is a type of non mutual relationship between organisms of different species where one organism, the parasite, benefits at the expense of the other, the host.
Parataxonomy
Parataxonomy is the use of less qualified assistance to, or replacement of, taxonomists in the practice and science of classification.
Parataxonomy is the use of less qualified assistance to, or replacement of, taxonomists in the practice and science of classification.
Pareidolia
Pareidolia is a psychological phenomenon involving a vague and random stimulus (often an image or sound) being perceived as significant.
Pareidolia is a psychological phenomenon involving a vague and random stimulus (often an image or sound) being perceived as significant.
Parish
A parish is a territorial unit historically under the pastoral care and clerical jurisdiction of one parish priest, who might be assisted in his pastoral duties by a curate or curates - also pri...
A parish is a territorial unit historically under the pastoral care and clerical jurisdiction of one parish priest, who might be assisted in his pastoral duties by a curate or curates - also pri...
Paroxysmal attack
The word paroxysm means "sudden attack, outburst", and comes from the Greek παροξυσμός (paroxusmos), "irritation, exasperation".
The word paroxysm means "sudden attack, outburst", and comes from the Greek παροξυσμός (paroxusmos), "irritation, exasperation".
Parsley
Parsley (Petroselinum hortense) is a species of Petroselinum in the family Apiaceae, native to the central Mediterranean region (southern Italy, Algeria and Tunisia), naturalized e...
Parsley (Petroselinum hortense) is a species of Petroselinum in the family Apiaceae, native to the central Mediterranean region (southern Italy, Algeria and Tunisia), naturalized e...
Pasta
Pasta is a type of noodle and is a staple food of traditional Italian cuisine, with the first reference dating back to 1154.
Pasta is a type of noodle and is a staple food of traditional Italian cuisine, with the first reference dating back to 1154.
Pathos
Pathos ( or /ˈpeɪθoʊs/; πάθος, for "suffering" or "experience;" adjectival form: 'pathetic' from παθητικός) represents an appeal to the audience's emotions.
Pathos ( or /ˈpeɪθoʊs/; πάθος, for "suffering" or "experience;" adjectival form: 'pathetic' from παθητικός) represents an appeal to the audience's emotions.
Patriarch
Originally, a patriarch was a man who exercised autocratic authority as a pater familias over an extended family.
Originally, a patriarch was a man who exercised autocratic authority as a pater familias over an extended family.
Patriarchy
Patriarchy is a social system in which the male acts as the primary authority figure central to social organization, and where fathers hold authority over women, children, and property.
Patriarchy is a social system in which the male acts as the primary authority figure central to social organization, and where fathers hold authority over women, children, and property.
Patriotism
Patriotism is a devotion to one's country, excluding differences caused by the dependencies of the term's meaning upon context, geography and philosophy.
Patriotism is a devotion to one's country, excluding differences caused by the dependencies of the term's meaning upon context, geography and philosophy.
Pectin
Pectin (from Greek πηκτικός - pektikos, "congealed, curdled") is a structural heteropolysaccharide contained in the primary cell walls of terrestrial plants.
Pectin (from Greek πηκτικός - pektikos, "congealed, curdled") is a structural heteropolysaccharide contained in the primary cell walls of terrestrial plants.
Pedagogy
Pedagogy is the holistic science of education.
Pedagogy is the holistic science of education.
Pedology (soil study)
Pedology (from Greek: πέδον, pedon, "soil"; and λόγος, logos, "study") is the study of soils in their natural environment.
Pedology (from Greek: πέδον, pedon, "soil"; and λόγος, logos, "study") is the study of soils in their natural environment.
Pedophilia
As a medical diagnosis, pedophilia, or paedophilia, is defined as a psychiatric disorder in adults or late adolescents (persons age 16 or older) typically characterized by a primary or exc...
As a medical diagnosis, pedophilia, or paedophilia, is defined as a psychiatric disorder in adults or late adolescents (persons age 16 or older) typically characterized by a primary or exc...
Pentarchy
Pentarchy is a term in the history of Christianity for the idea of universal rule over all of Christendom by the heads of the five major episcopal sees of the Roman Empire: Rome, Constantinople,...
Pentarchy is a term in the history of Christianity for the idea of universal rule over all of Christendom by the heads of the five major episcopal sees of the Roman Empire: Rome, Constantinople,...
Pentecost
Pentecost is a prominent feast in the calendar of Ancient Israel celebrating the giving of the Law on Sinai, and also later in the Christian liturgical year commemorating the descent of the Holy...
Pentecost is a prominent feast in the calendar of Ancient Israel celebrating the giving of the Law on Sinai, and also later in the Christian liturgical year commemorating the descent of the Holy...
Perineum
In human anatomy, the perineum (Late Latin, from Greek περίνεος - perineos) is a region of the body including the perineal body and surrounding structures.
In human anatomy, the perineum (Late Latin, from Greek περίνεος - perineos) is a region of the body including the perineal body and surrounding structures.
Peripeteia
Peripeteia (Περιπέτεια) is a reversal of circumstances, or turning point.
Peripeteia (Περιπέτεια) is a reversal of circumstances, or turning point.
Pharmacology
Pharmacology is the branch of medicine and biology concerned with the study of drug action.
Pharmacology is the branch of medicine and biology concerned with the study of drug action.
Pharmacy
Pharmacy is the health profession that links the health sciences with the chemical sciences and it is charged with ensuring the safe and effective use of pharmaceutical drugs.
Pharmacy is the health profession that links the health sciences with the chemical sciences and it is charged with ensuring the safe and effective use of pharmaceutical drugs.
Phenology
Phenology is the study of periodic plant and animal life cycle events and how these are influenced by seasonal and interannual variations in climate.
Phenology is the study of periodic plant and animal life cycle events and how these are influenced by seasonal and interannual variations in climate.
Phenomenology (philosophy)
Phenomenology is the study of the structure of experience.
Phenomenology is the study of the structure of experience.
Pheromone
A pheromone (from Greek φέρω phero "to bear" + hormone from Greek ὁρμή - "impetus") is a secreted or excreted chemical factor that triggers a social response in members of the same species.
A pheromone (from Greek φέρω phero "to bear" + hormone from Greek ὁρμή - "impetus") is a secreted or excreted chemical factor that triggers a social response in members of the same species.
Philadelphia
Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous.
Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous.
Philology
Philology is the study of language in written historical sources; it is a combination of literary studies, history and linguistics.
Philology is the study of language in written historical sources; it is a combination of literary studies, history and linguistics.
Philomath
A philomath is a lover of learning, from Greek philos + Greek manthanein, math-.
A philomath is a lover of learning, from Greek philos + Greek manthanein, math-.
Philosophy
Philosophy is the study of general and fundamental problems, such as those connected with reality, existence, knowledge, values, reason, mind, and language.
Philosophy is the study of general and fundamental problems, such as those connected with reality, existence, knowledge, values, reason, mind, and language.
Phobia
A phobia is, when used in the context of clinical psychology, a type of anxiety disorder, usually defined as a persistent fear of an object or situation in which the sufferer commits to great le...
A phobia is, when used in the context of clinical psychology, a type of anxiety disorder, usually defined as a persistent fear of an object or situation in which the sufferer commits to great le...
Phonograph
The phonograph, record player, or gramophone, is a device introduced in 1877 that has had continued common use for reproducing sound recordings; although when first developed, the p...
The phonograph, record player, or gramophone, is a device introduced in 1877 that has had continued common use for reproducing sound recordings; although when first developed, the p...
Phonology
Phonology is a branch of linguistics concerned with the systematic organization of sounds in languages.
Phonology is a branch of linguistics concerned with the systematic organization of sounds in languages.
Photograph
A photograph or photo is an image created by light falling on a light-sensitive surface, usually photographic film or an electronic imager such as a CCD or a CMOS chip.
A photograph or photo is an image created by light falling on a light-sensitive surface, usually photographic film or an electronic imager such as a CCD or a CMOS chip.
Photography
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either chemically by means of a light-sensitive material such as ph...
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either chemically by means of a light-sensitive material such as ph...
Photonic metamaterials
Photonic metamaterials, also known as Optical metamaterials, are a type of electromagnetic metamaterial, which are designed to interact with optical frequencies which are terahertz (THz), ...
Photonic metamaterials, also known as Optical metamaterials, are a type of electromagnetic metamaterial, which are designed to interact with optical frequencies which are terahertz (THz), ...
Phyletism
Phyletism or ethnophyletism (from Greek ἔθνος ethnos "nation" and φυλετισμός phyletismos "tribalism") is the principle of nationalities applied in the ecclesiastical domain: in oth...
Phyletism or ethnophyletism (from Greek ἔθνος ethnos "nation" and φυλετισμός phyletismos "tribalism") is the principle of nationalities applied in the ecclesiastical domain: in oth...
Phylum
In biology, a phylum is a taxonomic rank below kingdom and above class.
In biology, a phylum is a taxonomic rank below kingdom and above class.
Physicalism
Physicalism is a philosophical position holding that everything which exists is no more extensive than its physical properties; that is, that there are no kinds of things other than physical things.
Physicalism is a philosophical position holding that everything which exists is no more extensive than its physical properties; that is, that there are no kinds of things other than physical things.
Physiocracy
Physiocracy is an economic theory developed by the Physiocrats, a group of economists who believed that the wealth of nations was derived solely from the value of "land agriculture" or "land dev...
Physiocracy is an economic theory developed by the Physiocrats, a group of economists who believed that the wealth of nations was derived solely from the value of "land agriculture" or "land dev...
Physiome
The physiome of an individual's or species' physiological state is the description of its functional behavior.
The physiome of an individual's or species' physiological state is the description of its functional behavior.
Physis
Physis is a Greek theological, philosophical, and scientific term usually translated into English as "nature.
Physis is a Greek theological, philosophical, and scientific term usually translated into English as "nature.
Pita
Pita or pitta is a round pocket bread widely consumed in many Middle Eastern, Mediterranean, and Balkan cuisines.
Pita or pitta is a round pocket bread widely consumed in many Middle Eastern, Mediterranean, and Balkan cuisines.
Pithos
Pithos (plural pithoi) originally referred in ancient Greek (πίθος, πίθοι) to a large storage jar of a characteristic shape.
Pithos (plural pithoi) originally referred in ancient Greek (πίθος, πίθοι) to a large storage jar of a characteristic shape.
Placenta
The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.
The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.
Planet
A planet is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its ...
A planet is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its ...
Plasma (physics)
In physics and chemistry, plasma is a state of matter similar to gas in which a certain portion of the particles are ionized.
In physics and chemistry, plasma is a state of matter similar to gas in which a certain portion of the particles are ionized.
Plastic
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable.
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable.
Platypus
The platypus (Ornithorhynchus anatinus) is a semi-aquatic mammal endemic to eastern Australia, including Tasmania.
The platypus (Ornithorhynchus anatinus) is a semi-aquatic mammal endemic to eastern Australia, including Tasmania.
Pleurotus
Pleurotus is a genus of gilled mushrooms which includes one of the most widely eaten mushrooms, P. ostreatus.
Pleurotus is a genus of gilled mushrooms which includes one of the most widely eaten mushrooms, P. ostreatus.
Poetry
Poetry (from the Greek "poiesis" — "ποίησις" — with a broad meaning of a "making", seen also in such terms as "hemopoiesis"; more narrowly, the making of poetry) is a form of literar...
Poetry (from the Greek "poiesis" — "ποίησις" — with a broad meaning of a "making", seen also in such terms as "hemopoiesis"; more narrowly, the making of poetry) is a form of literar...
Polemic
A polemic is a disputed argument attacking a point of view.
A polemic is a disputed argument attacking a point of view.
Police
The police are a constituted body of persons empowered by the state to enforce the law, protect property, and limit civil disorder.
The police are a constituted body of persons empowered by the state to enforce the law, protect property, and limit civil disorder.
Polis
Polis, plural poleis, literally means city in Greek.
Polis, plural poleis, literally means city in Greek.
Political geography
Political geography is the field of human geography that is concerned with the study of both the spatially uneven outcomes of political processes and the ways in which political processes are th...
Political geography is the field of human geography that is concerned with the study of both the spatially uneven outcomes of political processes and the ways in which political processes are th...
Politics
Politics (from Greek politikos "of, for, or relating to citizens") as a term is generally applied to the art or science of running governmental or state affairs, including behavior within ci...
Politics (from Greek politikos "of, for, or relating to citizens") as a term is generally applied to the art or science of running governmental or state affairs, including behavior within ci...
Polybolos
Polybolos was an ancient Greek repeating ballista reputedly invented by Dionysius of Alexandria, a 3rd century BC Greek engineer at the Rhodes arsenal and used in antiquity.
Polybolos was an ancient Greek repeating ballista reputedly invented by Dionysius of Alexandria, a 3rd century BC Greek engineer at the Rhodes arsenal and used in antiquity.
Polydipsia
Polydipsia is a medical symptom in which the patient displays excessive thirst.
Polydipsia is a medical symptom in which the patient displays excessive thirst.
Polyethnicity
Polyethnicity refers to the close proximity of people from different ethnic backgrounds within a country or other specific geographic region.
Polyethnicity refers to the close proximity of people from different ethnic backgrounds within a country or other specific geographic region.
Polygamy
Polygamy (from πολύς γάμος polys gamos, translated literally in Late Greek as "often married") is a marriage which includes more than two partners.
Polygamy (from πολύς γάμος polys gamos, translated literally in Late Greek as "often married") is a marriage which includes more than two partners.
Polygonia
Polygonia (from Greek πολύς - polys, "many" and γωνία - gōnia, "angle") is a genus of butterflies with a conspicuous white mark on the underside of each hindwing, hence the common n...
Polygonia (from Greek πολύς - polys, "many" and γωνία - gōnia, "angle") is a genus of butterflies with a conspicuous white mark on the underside of each hindwing, hence the common n...
Polymath
A polymath is a person whose expertise spans a significant number of different subject areas.
A polymath is a person whose expertise spans a significant number of different subject areas.
Polyptoton
Polyptoton is the stylistic scheme in which words derived from the same root are repeated.
Polyptoton is the stylistic scheme in which words derived from the same root are repeated.
Practice (learning method)
Practice is the act of rehearsing a behavior over and over, or engaging in an activity again and again, for the purpose of improving or mastering it, as in the phrase "practice makes perfect".
Practice is the act of rehearsing a behavior over and over, or engaging in an activity again and again, for the purpose of improving or mastering it, as in the phrase "practice makes perfect".
Pragmatics
Pragmatics is a subfield of linguistics which studies the ways in which context contributes to meaning.
Pragmatics is a subfield of linguistics which studies the ways in which context contributes to meaning.
Presbyter
Presbyter in the New Testament refers to a leader in local Christian congregations, then a synonym of episkopos (which has now come to mean bishop).
Presbyter in the New Testament refers to a leader in local Christian congregations, then a synonym of episkopos (which has now come to mean bishop).
Presbyterium
Presbyterium is a modern term used in the Catholic Church and Eastern Catholic Churches after the Second Vatican Council in reference to a college of priests, in active ministry, of an individua...
Presbyterium is a modern term used in the Catholic Church and Eastern Catholic Churches after the Second Vatican Council in reference to a college of priests, in active ministry, of an individua...
Pressure
Pressure is the force per unit area applied in a direction perpendicular to the surface of an object.
Pressure is the force per unit area applied in a direction perpendicular to the surface of an object.
Proboscis
A proboscis is an elongated appendage from the head of an animal, either a vertebrate or an invertebrate.
A proboscis is an elongated appendage from the head of an animal, either a vertebrate or an invertebrate.
Prophet
In religion, a prophet, from the Greek word προφήτης meaning "advocate", is an individual who is claimed to have been contacted by the supernatural or the divine, and to speak for them, serving...
In religion, a prophet, from the Greek word προφήτης meaning "advocate", is an individual who is claimed to have been contacted by the supernatural or the divine, and to speak for them, serving...
Prostate
The prostate is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals.
The prostate is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals.
Prosthesis
In medicine, a prosthesis, prosthetic, or prosthetic limb is an artificial device extension that replaces a missing body part.
In medicine, a prosthesis, prosthetic, or prosthetic limb is an artificial device extension that replaces a missing body part.
Protagonist
A protagonist (from the Greek protagonistes, "one who plays the first part, chief actor") is the main character (the central or primary personal figure) of a literary, theatrical, cinematic...
A protagonist (from the Greek protagonistes, "one who plays the first part, chief actor") is the main character (the central or primary personal figure) of a literary, theatrical, cinematic...
Protodeacon
Protodeacon derives from the Greek proto- meaning 'first' and diakonos, which is a standard ancient Greek word meaning "servant", "waiting-man," "minister" or "messenger."
Protodeacon derives from the Greek proto- meaning 'first' and diakonos, which is a standard ancient Greek word meaning "servant", "waiting-man," "minister" or "messenger."
Protoiereus
A protoiereus (from πρωτοιερεύς, "first priest", modern Greek: πρωθιερέας) or protopriest in the Eastern Orthodox Church is a priest usually coordinating the activity of other subordinate ...
A protoiereus (from πρωτοιερεύς, "first priest", modern Greek: πρωθιερέας) or protopriest in the Eastern Orthodox Church is a priest usually coordinating the activity of other subordinate ...
Proton
The proton is a subatomic particle with the symbol or and a positive electric charge of 1 elementary charge.
The proton is a subatomic particle with the symbol or and a positive electric charge of 1 elementary charge.
Protoplast
Protoplast, from the ancient Greek πρῶτον (first) + verb πλάθω or πλάττω (to mould: deriv.
Protoplast, from the ancient Greek πρῶτον (first) + verb πλάθω or πλάττω (to mould: deriv.
Prototype
A prototype is an early sample or model built to test a concept or process or to act as a thing to be replicated or learned from.
A prototype is an early sample or model built to test a concept or process or to act as a thing to be replicated or learned from.
Pseudo-
The prefix pseudo- is used to mark something as false, fraudulent, or pretending to be something it is not.
The prefix pseudo- is used to mark something as false, fraudulent, or pretending to be something it is not.
Pseudonym
A pseudonym is a name that a person or group assumes for a particular purpose, which differs from his or her original or true name.
A pseudonym is a name that a person or group assumes for a particular purpose, which differs from his or her original or true name.
Psychedelia
The term psychedelic is derived from the Ancient Greek words psuchē and dēlōsē, translating to "soul-manifesting".
The term psychedelic is derived from the Ancient Greek words psuchē and dēlōsē, translating to "soul-manifesting".
Psychedelic trance
Psychedelic trance, psytrance or just psy is a form of electronic music characterized by hypnotic arrangements of synthetic rhythms and complex layered melodies created by high tempo...
Psychedelic trance, psytrance or just psy is a form of electronic music characterized by hypnotic arrangements of synthetic rhythms and complex layered melodies created by high tempo...
Psychiatry
Psychiatry is the medical specialty devoted to the study and treatment of mental disorders.
Psychiatry is the medical specialty devoted to the study and treatment of mental disorders.
Psychokinesis
Psychokinesis, also referred to as telekinesis with respect to strictly describing movement of matter, sometimes abbreviated PK and TK respectively, is a term coined by publisher Henry Hol...
Psychokinesis, also referred to as telekinesis with respect to strictly describing movement of matter, sometimes abbreviated PK and TK respectively, is a term coined by publisher Henry Hol...
Psychopathy
Psychopathy ( from the Ancient Greek ψυχή "psyche", -soul, mind and πάθος, "pathos" -suffering, disease, condition) is a personality disorder characterized by a pervasive pattern of disregard fo...
Psychopathy ( from the Ancient Greek ψυχή "psyche", -soul, mind and πάθος, "pathos" -suffering, disease, condition) is a personality disorder characterized by a pervasive pattern of disregard fo...
Psychopomp
Psychopomps (from the Greek word ψυχοπομπός (psychopompos), literally meaning the "guide of souls") are creatures, spirits, angels, or deities in many religions whose responsibility is t...
Psychopomps (from the Greek word ψυχοπομπός (psychopompos), literally meaning the "guide of souls") are creatures, spirits, angels, or deities in many religions whose responsibility is t...
Psychosis
Psychosis means abnormal condition of the mind, and is a generic psychiatric term for a mental state often described as involving a "loss of contact with reality".
Psychosis means abnormal condition of the mind, and is a generic psychiatric term for a mental state often described as involving a "loss of contact with reality".
Pulse (legume)
A pulse (Latin "puls", from Ancient Greek "porridge") is an annual leguminous crop yielding from one to twelve seeds of variable size, shape, and color within a pod.
A pulse (Latin "puls", from Ancient Greek "porridge") is an annual leguminous crop yielding from one to twelve seeds of variable size, shape, and color within a pod.
Pyramid
A pyramid (from "πυραμίς" – pyramis) is a structure whose shape is roughly that of a pyramid in the geometric sense; that is, its outer surfaces are triangular and converge to a single ...
A pyramid (from "πυραμίς" – pyramis) is a structure whose shape is roughly that of a pyramid in the geometric sense; that is, its outer surfaces are triangular and converge to a single ...
Quince
The quince, or Cydonia oblonga, is the sole member of the genus Cydonia and native to warm-temperate southwest Asia in the Caucasus region.
The quince, or Cydonia oblonga, is the sole member of the genus Cydonia and native to warm-temperate southwest Asia in the Caucasus region.
Reflection (physics)
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.
Rhetoric
Rhetoric is the art of discourse, an art that aims to improve the facility of speakers or writers who attempt to inform, persuade, or motivate particular audiences in specific situations.
Rhetoric is the art of discourse, an art that aims to improve the facility of speakers or writers who attempt to inform, persuade, or motivate particular audiences in specific situations.
Rhinoceros
Rhinoceros, often abbreviated as rhino, is a group of five extant species of knee-less, odd-toed ungulates in the family Rhinocerotidae.
Rhinoceros, often abbreviated as rhino, is a group of five extant species of knee-less, odd-toed ungulates in the family Rhinocerotidae.
Rhizome
In botany and dendrology, a rhizome (from "mass of roots", from "cause to strike root") is a characteristically horizontal stem of a plant that is usually found underground, often sending out ...
In botany and dendrology, a rhizome (from "mass of roots", from "cause to strike root") is a characteristically horizontal stem of a plant that is usually found underground, often sending out ...
Rhombus
In Euclidean geometry, a rhombus, plural rhombi or rhombuses, is a convex quadrilateral whose four sides all have the same length.
In Euclidean geometry, a rhombus, plural rhombi or rhombuses, is a convex quadrilateral whose four sides all have the same length.
Rhythm
Rhythm may be generally defined as a "movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions."
Rhythm may be generally defined as a "movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions."
Scandal
A scandal is a widely publicized allegation or set of allegations that damages (or tries to damage) the reputation of an institution, individual or creed.
A scandal is a widely publicized allegation or set of allegations that damages (or tries to damage) the reputation of an institution, individual or creed.
Schizophrenia
Schizophrenia is a mental disorder characterized by a breakdown of thought processes and by poor emotional responsiveness.
Schizophrenia is a mental disorder characterized by a breakdown of thought processes and by poor emotional responsiveness.
Scholasticism
Scholasticism is a method of critical thought which dominated teaching by the academics of medieval universities in Europe from about 1100–1500, and a program of employing that method in articul...
Scholasticism is a method of critical thought which dominated teaching by the academics of medieval universities in Europe from about 1100–1500, and a program of employing that method in articul...
School
A school is an institution designed for the teaching of students under the direction of teachers.
A school is an institution designed for the teaching of students under the direction of teachers.
Scoliosis
Scoliosis (from ) is a medical condition in which a person's spine is curved from side to side.
Scoliosis (from ) is a medical condition in which a person's spine is curved from side to side.
Scorpion
Scorpions are predatory arthropod animals of the order Scorpiones within the class Arachnida.
Scorpions are predatory arthropod animals of the order Scorpiones within the class Arachnida.
Seismic metamaterials
Seismic metamaterials, are metamaterials which are designed to counteract the adverse effects of seismic waves on artificial structures, which exist on or near the surface of the earth.
Seismic metamaterials, are metamaterials which are designed to counteract the adverse effects of seismic waves on artificial structures, which exist on or near the surface of the earth.
Semantics
Semantics is the study of meaning.
Semantics is the study of meaning.
Semiotics
Semiotics, also called semiotic studies or semiology, is the study of signs and sign processes, indication, designation, likeness, analogy, metaphor, symbolism, signification, and c...
Semiotics, also called semiotic studies or semiology, is the study of signs and sign processes, indication, designation, likeness, analogy, metaphor, symbolism, signification, and c...
Serbo-Croatian words of Greek origin
*AG stands for Ancient Greek origin.
*AG stands for Ancient Greek origin.
Simultanagnosia
Simultanagnosia is a rare neurological disorder characterized by the inability of an individual to perceive more than a single object at a time.
Simultanagnosia is a rare neurological disorder characterized by the inability of an individual to perceive more than a single object at a time.
Situational strength
Situational strength is defined as cues provided by environmental forces regarding the desirability of potential behaviors.
Situational strength is defined as cues provided by environmental forces regarding the desirability of potential behaviors.
Sketch (drawing)
A sketch (ultimately from Greek σχέδιος – schedios, "done extempore") is a rapidly executed freehand drawing that is not usually intended as a finished work.
A sketch (ultimately from Greek σχέδιος – schedios, "done extempore") is a rapidly executed freehand drawing that is not usually intended as a finished work.
Somatology
Somatology is defined as the study or science of the human body as a branch of anthropology.
Somatology is defined as the study or science of the human body as a branch of anthropology.
Sophia (wisdom)
Sophia is a central idea in Hellenistic philosophy and religion, Platonism, Gnosticism, Orthodox Christianity, Esoteric Christianity, as well as Christian mysticism.
Sophia is a central idea in Hellenistic philosophy and religion, Platonism, Gnosticism, Orthodox Christianity, Esoteric Christianity, as well as Christian mysticism.
Sophism
Sophism in the modern definition is a specious argument used for deceiving someone.
Sophism in the modern definition is a specious argument used for deceiving someone.
Sophomore
Sophomore is a term to describe a student in the second year of study at high school or university.
Sophomore is a term to describe a student in the second year of study at high school or university.
Sophrosyne
Sophrosyne is a Greek philosophical term etymologically meaning healthy-mindedness and from their self-control or moderation guided by knowledge and balance.
Sophrosyne is a Greek philosophical term etymologically meaning healthy-mindedness and from their self-control or moderation guided by knowledge and balance.
Sorites paradox
The sorites paradox (from sōreitēs, meaning "heaped up") is a paradox that arises from vague predicates.
The sorites paradox (from sōreitēs, meaning "heaped up") is a paradox that arises from vague predicates.
Soteria
Soteria is a community service that provides a space for people experiencing mental distress or crisis.
Soteria is a community service that provides a space for people experiencing mental distress or crisis.
Spatha
The spatha was a type of straight and long sword, measuring between, in use throughout first millennium AD Europe, and in the territory of the Roman Empire until about 600 AD. Later swords from ...
The spatha was a type of straight and long sword, measuring between, in use throughout first millennium AD Europe, and in the territory of the Roman Empire until about 600 AD. Later swords from ...
Sphere
A sphere is a perfectly round geometrical object in three-dimensional space, such as the shape of a round ball.
A sphere is a perfectly round geometrical object in three-dimensional space, such as the shape of a round ball.
Stadium
A modern stadium is a place or venue for outdoor sports, concerts, or other events and consists of a field or stage either partly or completely surrounded by a structure designed to allow specta...
A modern stadium is a place or venue for outdoor sports, concerts, or other events and consists of a field or stage either partly or completely surrounded by a structure designed to allow specta...
Stalagmite
A stalagmite is a type of speleothem that rises from the floor of a limestone cave due to the dripping of mineralized solutions and the deposition of calcium carbonate.
A stalagmite is a type of speleothem that rises from the floor of a limestone cave due to the dripping of mineralized solutions and the deposition of calcium carbonate.
Stauropegic
Stauropegic, also rendered stavropegic, stauropegial, or stavropegial is a title or description applied to Eastern Orthodox and Eastern Catholic Christian monasteries subordina...
Stauropegic, also rendered stavropegic, stauropegial, or stavropegial is a title or description applied to Eastern Orthodox and Eastern Catholic Christian monasteries subordina...
Stele
A stele, also stela Latin, is a stone or wooden slab, generally taller than it is wide, erected for funerals or commemorative purposes, most usually decorated with the names and titles of...
A stele, also stela Latin, is a stone or wooden slab, generally taller than it is wide, erected for funerals or commemorative purposes, most usually decorated with the names and titles of...
Stereophonic sound
The term stereophonic sound or, more commonly, stereo, refers to any method of sound reproduction in which an attempt is made to create an illusion of directionality and audible perspective.
The term stereophonic sound or, more commonly, stereo, refers to any method of sound reproduction in which an attempt is made to create an illusion of directionality and audible perspective.
Stereoscopy
Stereoscopy refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer.
Stereoscopy refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer.
Stereotype
A stereotype is a popular belief about specific types of individuals or certain way of doing things.
A stereotype is a popular belief about specific types of individuals or certain way of doing things.
Stochastic
Stochastic refers to systems whose behavior is intrinsically non-deterministic, sporadic and categorically NOT intermittent.
Stochastic refers to systems whose behavior is intrinsically non-deterministic, sporadic and categorically NOT intermittent.
Stoma
In botany, a stoma (also stomate; plural stomata) is a pore, found in the leaf and stem epidermis that is used for gas exchange.
In botany, a stoma (also stomate; plural stomata) is a pore, found in the leaf and stem epidermis that is used for gas exchange.
Storge
Storge, also called familial love, is the Greek word for natural affection—such as the love of a parent toward a child, "cherishing one's kindred, especially parents or children".
Storge, also called familial love, is the Greek word for natural affection—such as the love of a parent toward a child, "cherishing one's kindred, especially parents or children".
Strategy
A strategy is a plan of action designed to achieve a vision.
A strategy is a plan of action designed to achieve a vision.
Syllogism
A syllogism (συλλογισμός – syllogismos – "conclusion," "inference") is a kind of logical argument in which one proposition (the conclusion) is inferred from two or more others (the prem...
A syllogism (συλλογισμός – syllogismos – "conclusion," "inference") is a kind of logical argument in which one proposition (the conclusion) is inferred from two or more others (the prem...
Symbol
A symbol is something that represents an idea, a physical entity or a process but is distinct from it.
A symbol is something that represents an idea, a physical entity or a process but is distinct from it.
Sympathy
Sympathy is an extension of empathic concern, or the perception, understanding, and reaction to the distress or need of another human being.
Sympathy is an extension of empathic concern, or the perception, understanding, and reaction to the distress or need of another human being.
Symptom
A symptom is a departure from normal function or feeling which is noticed by a patient, indicating the presence of disease or abnormality.
A symptom is a departure from normal function or feeling which is noticed by a patient, indicating the presence of disease or abnormality.
Syndrome
The term syndrome derives from the Greek συνδρομή and means "concurrence of symptoms, concourse", from σύν, "along with, together" + δρόμος, amongst others "course".
The term syndrome derives from the Greek συνδρομή and means "concurrence of symptoms, concourse", from σύν, "along with, together" + δρόμος, amongst others "course".
Synedrion
Synedrion or 'Synhedrion is a Greek word for an assembly that holds formal sessions.
Synedrion or 'Synhedrion is a Greek word for an assembly that holds formal sessions.
Synesthesia
Synesthesia, from the ancient Greek, "together," and, "sensation," is a neurological condition in which stimulation of one sensory or cognitive pathway leads to automatic, involuntary experience...
Synesthesia, from the ancient Greek, "together," and, "sensation," is a neurological condition in which stimulation of one sensory or cognitive pathway leads to automatic, involuntary experience...
Synod
A synod historically is a council of a church, usually convened to decide an issue of doctrine, administration or application.
A synod historically is a council of a church, usually convened to decide an issue of doctrine, administration or application.
Syntax
In linguistics, syntax is "the study of the principles and processes by which sentences are constructed in particular languages.
In linguistics, syntax is "the study of the principles and processes by which sentences are constructed in particular languages.
Syntax (logic)
In logic, syntax is anything having to do with formal languages or formal systems without regard to any interpretation or meaning given to them.
In logic, syntax is anything having to do with formal languages or formal systems without regard to any interpretation or meaning given to them.
Syzygy
In broadest terms, syzygy is a kind of unity, especially through coordination or alignment, most commonly used in the astronomical and/or astrological sense.
In broadest terms, syzygy is a kind of unity, especially through coordination or alignment, most commonly used in the astronomical and/or astrological sense.
Takydromus
Takydromus, commonly called grass lizards or oriental racers is a lizard genus whose members inhabit a large part of Asia.
Takydromus, commonly called grass lizards or oriental racers is a lizard genus whose members inhabit a large part of Asia.
Talisman
A talisman (from Arabic طلسم Tilasm, ultimately from Greek telesma or from the Greek word "telein" which means "to initiate into the mysteries") is an amulet or other object considered t...
A talisman (from Arabic طلسم Tilasm, ultimately from Greek telesma or from the Greek word "telein" which means "to initiate into the mysteries") is an amulet or other object considered t...
Tapestry
Tapestry is a form of textile art, traditionally woven on a vertical loom, however it can also be woven on a floor loom as well.
Tapestry is a form of textile art, traditionally woven on a vertical loom, however it can also be woven on a floor loom as well.
Taraxippus
In Greek mythology, the Taraxippus (plural: taraxippoi, "horse disturber", Latin equorum conturbator) was a presence, variously identified as a ghost or dangerous site, blamed for fright...
In Greek mythology, the Taraxippus (plural: taraxippoi, "horse disturber", Latin equorum conturbator) was a presence, variously identified as a ghost or dangerous site, blamed for fright...
Taxiarch
Taxiarch, the anglicized form of taxiarchos or taxiarchēs is used in the Greek language to mean "brigadier".
Taxiarch, the anglicized form of taxiarchos or taxiarchēs is used in the Greek language to mean "brigadier".
Taxis
A taxis (plural taxes, ) is an innate behavioral response by an organism to a directional stimulus or gradient of stimulus intensity.
A taxis (plural taxes, ) is an innate behavioral response by an organism to a directional stimulus or gradient of stimulus intensity.
Taxonomy
Taxonomy is the science of identifying and naming species, and arranging them into a classification.
Taxonomy is the science of identifying and naming species, and arranging them into a classification.
Temenos
Temenos is a piece of land cut off and assigned as an official domain, especially to kings and chiefs, or a piece of land marked off from common uses and dedicated to a god, a sanctuary, hol...
Temenos is a piece of land cut off and assigned as an official domain, especially to kings and chiefs, or a piece of land marked off from common uses and dedicated to a god, a sanctuary, hol...
Terahertz metamaterials
Terahertz metamaterials are a new class of composite, artificial materials which interact at terahertz (THz) frequencies.
Terahertz metamaterials are a new class of composite, artificial materials which interact at terahertz (THz) frequencies.
Tetrachord
In music theory, traditionally, a tetrachord (τετράχορδo) is a series of three smaller intervals filling in the interval of a perfect fourth, a 4:3 frequency proportion.
In music theory, traditionally, a tetrachord (τετράχορδo) is a series of three smaller intervals filling in the interval of a perfect fourth, a 4:3 frequency proportion.
Tetragrammaton
The term tetragrammaton refers to the Hebrew written form of YHWH, one of the names of the God of Israel which is used in the Hebrew Bible and elsewhere.
The term tetragrammaton refers to the Hebrew written form of YHWH, one of the names of the God of Israel which is used in the Hebrew Bible and elsewhere.
Tetrahedron
In geometry, a tetrahedron is a polyhedron composed of four triangular faces, three of which meet at each vertex.
In geometry, a tetrahedron is a polyhedron composed of four triangular faces, three of which meet at each vertex.
Thaumaturgy
Thaumaturgy is the capability of a saint to work miracles.
Thaumaturgy is the capability of a saint to work miracles.
Theism
Theism, in the broadest sense, is the belief that at least one deity exists.
Theism, in the broadest sense, is the belief that at least one deity exists.
Thelyphonida
Thelyphonida is an arachnid order comprising invertebrates commonly known as vinegaroons (or vinegarroons).
Thelyphonida is an arachnid order comprising invertebrates commonly known as vinegaroons (or vinegarroons).
Theology
Theology is the systematic and rational study of religion and its influences and of the nature of religious truths, or the learned profession acquired by completing specialized training in relig...
Theology is the systematic and rational study of religion and its influences and of the nature of religious truths, or the learned profession acquired by completing specialized training in relig...
Theomachy
Theomachy in Greek means battle of the gods.
Theomachy in Greek means battle of the gods.
Theophany
Theophany, from the Ancient Greek θεοφάνεια, refers to the appearance of a deity to a human or other being, or to a divine disclosure.
Theophany, from the Ancient Greek θεοφάνεια, refers to the appearance of a deity to a human or other being, or to a divine disclosure.
Theophoric name
A theophoric name embeds the name of a god, both invoking and displaying the protection of that deity.
A theophoric name embeds the name of a god, both invoking and displaying the protection of that deity.
Theorem
In mathematics, a theorem is a statement that has been proven on the basis of previously established statements, such as other theorems, and previously accepted statements, such as axioms.
In mathematics, a theorem is a statement that has been proven on the basis of previously established statements, such as other theorems, and previously accepted statements, such as axioms.
Theories of cloaking
Theories of cloaking discusses various theories based on science and research, for producing an electromagnetic cloak of invisibility.
Theories of cloaking discusses various theories based on science and research, for producing an electromagnetic cloak of invisibility.
Theory
The English word theory was derived from a technical term in philosophy in Ancient Greek.
The English word theory was derived from a technical term in philosophy in Ancient Greek.
Theosis (Eastern Orthodox theology)
In Eastern Orthodoxy deification is both a transformative process as well as the goal of that process.
In Eastern Orthodoxy deification is both a transformative process as well as the goal of that process.
Theotokos
Theotokos (; Θεοτόκος, transliterated Theotókos) is the Greek title of Mary, the mother of Jesus used especially in the Eastern Orthodox, Oriental Orthodox, and Eastern Catholic Churches.
Theotokos (; Θεοτόκος, transliterated Theotókos) is the Greek title of Mary, the mother of Jesus used especially in the Eastern Orthodox, Oriental Orthodox, and Eastern Catholic Churches.
Theriac
Theriac or theriaca was a medical concoction originally formulated by the Greeks in the 1st century AD and became popular throughout the ancient world as far away as China and India via th...
Theriac or theriaca was a medical concoction originally formulated by the Greeks in the 1st century AD and became popular throughout the ancient world as far away as China and India via th...
Thermodynamics
Thermodynamics is the branch of physical science concerned with heat and its relation to other forms of energy and work.
Thermodynamics is the branch of physical science concerned with heat and its relation to other forms of energy and work.
Thesaurus
A thesaurus is a reference work that lists words grouped together according to similarity of meaning, in contrast to a dictionary, which contains definitions and pronunciations.
A thesaurus is a reference work that lists words grouped together according to similarity of meaning, in contrast to a dictionary, which contains definitions and pronunciations.
Thesis
A dissertation or thesis is a document submitted in support of candidature for an academic degree or professional qualification presenting the author's research and findings.
A dissertation or thesis is a document submitted in support of candidature for an academic degree or professional qualification presenting the author's research and findings.
Theurgy
Theurgy (from Greek θεουργία) describes the practice of rituals, sometimes seen as magical in nature, performed with the intention of invoking the action or evoking the presence of one or m...
Theurgy (from Greek θεουργία) describes the practice of rituals, sometimes seen as magical in nature, performed with the intention of invoking the action or evoking the presence of one or m...
Thorax
The thorax (from Greek "θώραξ" - thorax, "breastplate, cuirass, corslet") is a division of an animal's body that lies between the head and the abdomen.
The thorax (from Greek "θώραξ" - thorax, "breastplate, cuirass, corslet") is a division of an animal's body that lies between the head and the abdomen.
Throne
A throne is the seat of state of a potentate or dignitary, especially the seat occupied by a sovereign on state occasions; or the seat occupied by a pope or bishop on ceremonial occasions.
A throne is the seat of state of a potentate or dignitary, especially the seat occupied by a sovereign on state occasions; or the seat occupied by a pope or bishop on ceremonial occasions.
Tmesis
Tmesis ( or ; Ancient Greek: tmēsis, "a cutting"
Tmesis ( or ; Ancient Greek: tmēsis, "a cutting"
Topography
Topography is a field of planetary science comprising the study of surface shape and features of the Earth and other observable astronomical objects including planets, moons, and asteroids.
Topography is a field of planetary science comprising the study of surface shape and features of the Earth and other observable astronomical objects including planets, moons, and asteroids.
Topology
Topology (from the Greek τόπος, “place”, and λόγος, “study”) is a major area of mathematics concerned with properties that are preserved under continuous deformations of objects, such as deforma...
Topology (from the Greek τόπος, “place”, and λόγος, “study”) is a major area of mathematics concerned with properties that are preserved under continuous deformations of objects, such as deforma...
Topos
In mathematics, a topos is a type of category that behaves like the category of sheaves of sets on a site.
In mathematics, a topos is a type of category that behaves like the category of sheaves of sets on a site.
Transformation optics
Transformation optics represents an advancement in the design of optical devices.
Transformation optics represents an advancement in the design of optical devices.
Trapezohedron
The n-gonal trapezohedron, antidipyramid or deltohedron is the dual polyhedron of an n-gonal antiprism.
The n-gonal trapezohedron, antidipyramid or deltohedron is the dual polyhedron of an n-gonal antiprism.
Trauma (medicine)
Trauma refers to "a body wound or shock produced by sudden physical injury, as from violence or accident."
Trauma refers to "a body wound or shock produced by sudden physical injury, as from violence or accident."
Treacle
Treacle is any syrup made during the refining of sugar and is defined as "uncrystallised syrup produced in refining sugar".
Treacle is any syrup made during the refining of sugar and is defined as "uncrystallised syrup produced in refining sugar".
Treasure
Treasure is a concentration of riches, often one which is considered lost or forgotten until being rediscovered.
Treasure is a concentration of riches, often one which is considered lost or forgotten until being rediscovered.
Tripod
A tripod is a portable three-legged frame, used as a platform for supporting the weight and maintaining the stability of some other object.
A tripod is a portable three-legged frame, used as a platform for supporting the weight and maintaining the stability of some other object.
Triskelion
A triskelion or triskele is a motif consisting of three interlocked spirals, or three bent human legs, or any similar symbol with three protrusions and a threefold rotational symmetry.
A triskelion or triskele is a motif consisting of three interlocked spirals, or three bent human legs, or any similar symbol with three protrusions and a threefold rotational symmetry.
Trope (literature)
A literary trope is the usage of figurative language in literature, or a figure of speech in which words are used in a sense different from their literal meaning.
A literary trope is the usage of figurative language in literature, or a figure of speech in which words are used in a sense different from their literal meaning.
Trophy
A trophy is a reward for a specific achievement, and serves as recognition or evidence of merit.
A trophy is a reward for a specific achievement, and serves as recognition or evidence of merit.
Tunable metamaterials
A tunable metamaterial is a metamaterial with a variable response to an incident electromagnetic wave.
A tunable metamaterial is a metamaterial with a variable response to an incident electromagnetic wave.
Urethra
In anatomy, the urethra is a tube that connects the urinary bladder to the genitals for the removal of fluids out of the body.
In anatomy, the urethra is a tube that connects the urinary bladder to the genitals for the removal of fluids out of the body.
Xenoglossy
Xenoglossy ( or ), also written xenoglossia ( or ), is the putative paranormal phenomenon in which a person is able to speak or write a language he or she supposedly could not have acquire...
Xenoglossy ( or ), also written xenoglossia ( or ), is the putative paranormal phenomenon in which a person is able to speak or write a language he or she supposedly could not have acquire...
Xenonym
Xenonym is a term derived from the Greek (xenonymon), literally "foreign name", from (xenos), "foreign" and (ónoma), "name".
Xenonym is a term derived from the Greek (xenonymon), literally "foreign name", from (xenos), "foreign" and (ónoma), "name".
Xenophobia
Xenophobia is defined as "an unreasonable Fear or hatred of foreigners or strangers or of that which is foreign or strange."
Xenophobia is defined as "an unreasonable Fear or hatred of foreigners or strangers or of that which is foreign or strange."
Xylology
Dendrology (, dendron, "tree"; and, -logia, science of or study of) or xylology (, ksulon, "wood") is the science and study of wooded plants (trees, shrubs, and lianas).
Dendrology (, dendron, "tree"; and, -logia, science of or study of) or xylology (, ksulon, "wood") is the science and study of wooded plants (trees, shrubs, and lianas).
Xylophagy
Xylophagy is a term used in ecology to describe the habits of an herbivorous animal whose diet consists primarily (often solely) of wood.
Xylophagy is a term used in ecology to describe the habits of an herbivorous animal whose diet consists primarily (often solely) of wood.
Xylophone
The xylophone is a musical instrument in the percussion family that consists of wooden bars struck by mallets.
The xylophone is a musical instrument in the percussion family that consists of wooden bars struck by mallets.
Zealotry
Zealotry was originally a political movement in 1st century Second Temple Judaism which sought to incite the people of Iudaea Province to rebel against the Roman Empire and expel it from the Hol...
Zealotry was originally a political movement in 1st century Second Temple Judaism which sought to incite the people of Iudaea Province to rebel against the Roman Empire and expel it from the Hol...
Zeugma
Zeugma (from the ζεῦγμα, zeûgma, meaning "yoke") is a figure of speech in which two or more parts of a sentence are joined with a single common verb or noun.
Zeugma (from the ζεῦγμα, zeûgma, meaning "yoke") is a figure of speech in which two or more parts of a sentence are joined with a single common verb or noun.
Zoology
Zoology, is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct.
Zoology, is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct.
Zylophone
The zylophone is a musical instrument in the percussion family that consists of wooden bars struck by mallets.
The zylophone is a musical instrument in the percussion family that consists of wooden bars struck by mallets.