| ammoniac | (adjective) pertaining to or containing or similar to ammonia | Synonyms: ammoniacal |
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| (noun) the aromatic gum of the ammoniac plant | Synonyms: gum ammoniac |
| ammoniacal | (adjective) pertaining to or containing or similar to ammonia | Synonyms: ammoniac |
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| ammoniate | (verb) treat with ammonia | - |
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| ammoniated | (adjective) combined or treated with ammonia | - |
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| ammonification | (noun) impregnation with ammonia or a compound of ammonia | - |
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| ammonify | (verb) treat with ammonia; cause to undergo ammonification | - |
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| ammonite | (noun) one of the coiled chambered fossil shells of extinct mollusks | Synonyms: ammonoid |
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| ammonitic | (adjective) of or related to an order of fossil cephalopods | - |
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| ammonium | (noun) the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion | Synonyms: ammonium ion |
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| ammoniuria | (noun) excessive ammonia in the urine | - |
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| ammunition | (noun) projectiles to be fired from a gun | Synonyms: ammo |
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| (noun) information that can be used to attack or defend a claim or argument or viewpoint | - |
| (noun) any nuclear or chemical or biological material that can be used as a weapon of mass destruction | - |
| amnic | (adjective) of or related to the amnion or characterized by developing an amnion | Synonyms: amnionic, amniotic |
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| amnio | (noun) (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities | Synonyms: amniocentesis |
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| amniocentesis | (noun) (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities | Synonyms: amnio |
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| amnion | (noun) thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) | Synonyms: amnios, amniotic sac |
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| amnionic | (adjective) of or related to the amnion or characterized by developing an amnion | Synonyms: amnic, amniotic |
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| amnios | (noun) thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) | Synonyms: amnion, amniotic sac |
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| amniote | (noun) any member of the Amniota | - |
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| amniotic | (adjective) of or related to the amnion or characterized by developing an amnion | Synonyms: amnic, amnionic |
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| amyotonia | (noun) lack of normal muscular tension or tonus | Synonyms: atonia, atonicity, atony |
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| anachronic | (adjective) chronologically misplaced | Synonyms: anachronistic, anachronous |
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| anachronism | (noun) an artifact that belongs to another time | - |
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| (noun) a person who seems to be displaced in time; who belongs to another age | - |
| (noun) something located at a time when it could not have existed or occurred | Synonyms: misdating, mistiming |
| anachronistic | (adjective) chronologically misplaced | Synonyms: anachronic, anachronous |
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| anachronistically | (adverb) in an anachronistic manner | - |
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| andrenid | (noun) a bee that is a member of the genus Andrena | Synonyms: andrena, mining bee |
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| androgenic | (adjective) of or related to the male hormone androgen | - |
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| angiotonin | (noun) any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels | Synonyms: angiotensin, Hypertensin |
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| anhedonia | (noun) an inability to experience pleasure | - |
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| ani | (noun) black tropical American cuckoo | - |
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| anicteric | (adjective) without jaundice | - |
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| (adjective) not affected by jaundice | - |
| anil | (noun) shrub of West Indies and South America that is a source of indigo dye | Synonyms: Indigofera anil, Indigofera suffruticosa |
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| (noun) a blue dye obtained from plants or made synthetically | Synonyms: indigo, indigotin |
| anile | (adjective) of or like a feeble old woman | - |
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| aniline | (noun) oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines | Synonyms: aminobenzine, aniline oil, phenylamine |
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| anima | (noun) (Jungian psychology) the inner self (not the external persona) that is in touch with the unconscious | - |
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| animadversion | (noun) harsh criticism or disapproval | Synonyms: censure |
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| animadvert | (verb) express one's opinion openly and without fear or hesitation | Synonyms: opine, sound off, speak out, speak up |
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| (verb) express blame or censure or make a harshly critical remark | - |
| animal | (adjective) marked by the appetites and passions of the body | Synonyms: carnal, fleshly, sensual |
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| (noun) a living organism characterized by voluntary movement | Synonyms: animate being, beast, brute, creature, fauna |
| animalcule | (noun) microscopic organism such as an amoeba or paramecium | Synonyms: animalculum |
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| animalculum | (noun) microscopic organism such as an amoeba or paramecium | Synonyms: animalcule |
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| animalisation | (noun) an act that makes people cruel or lacking normal human qualities | Synonyms: animalization, brutalisation, brutalization |
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| animalise | (verb) become brutal or insensitive and unfeeling | Synonyms: animalize, brutalise, brutalize |
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| (verb) make brutal, unfeeling, or inhuman | Synonyms: animalize, brutalise, brutalize |
| (verb) represent in the form of an animal | Synonyms: animalize |
| animalism | (noun) preoccupation with satisfaction of physical drives and appetites | Synonyms: physicality |
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| (noun) the doctrine that human beings are purely animal in nature and lacking a spiritual nature | - |
| animalistic | (adjective) of or pertaining to animalism | - |
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| animality | (noun) the physical (or animal) side of a person as opposed to the spirit or intellect | Synonyms: animal nature |
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| animalization | (noun) an act that makes people cruel or lacking normal human qualities | Synonyms: animalisation, brutalisation, brutalization |
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| (noun) a depiction in the form of an animal | - |
| animalize | (verb) become brutal or insensitive and unfeeling | Synonyms: animalise, brutalise, brutalize |
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| (verb) make brutal, unfeeling, or inhuman | Synonyms: animalise, brutalise, brutalize |
| (verb) represent in the form of an animal | Synonyms: animalise |
| animate | (adjective) endowed with animal life as distinguished from plant life | - |
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| (adjective) belonging to the class of nouns that denote living beings | - |
| (adjective) endowed with feeling and unstructured consciousness | Synonyms: sentient |
| (verb) give new life or energy to | Synonyms: quicken, reanimate, recreate, renovate, repair, revive, revivify, vivify |
| (verb) make lively | Synonyms: enliven, invigorate, liven, liven up |
| (verb) give lifelike qualities to | Synonyms: animise, animize |
| (verb) heighten or intensify | Synonyms: enliven, exalt, inspire, invigorate |
| animated | (adjective) having life or vigor or spirit | Synonyms: alive |
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| (adjective) made to appear to move as living creatures do | - |
| animatedly | (adverb) in an animated manner | - |
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| animateness | (noun) the property of being animated; having animal life as distinguished from plant life | Synonyms: aliveness, liveness |
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| animating | (adjective) giving spirit and vivacity | Synonyms: enlivening |
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| animation | (noun) the making of animated cartoons | - |
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| (noun) general activity and motion | Synonyms: liveliness |
| (noun) the activity of giving vitality and vigour to something | Synonyms: invigoration, vivification |
| (noun) the property of being able to survive and grow | Synonyms: vitality |
| (noun) quality of being active or spirited or alive and vigorous | Synonyms: brio, invigoration, spiritedness, vivification |
| (noun) the condition of living or the state of being alive | Synonyms: aliveness, life, living |
| animatism | (noun) the attribution of consciousness and personality to natural phenomena such as thunderstorms and earthquakes and to objects such as plants and stones | - |
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| animatistic | (adjective) of or pertaining to animatism | - |
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| animator | (noun) the technician who produces animated cartoons | - |
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| (noun) someone who imparts energy and vitality and spirit to other people | Synonyms: energiser, energizer, vitaliser, vitalizer |
| animatronics | (noun) the construction of robots to look like animals (developed for Disneyland) | - |
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| anime | (noun) a style of animation developed in Japan, characterized by stylized colorful art and often adult themes | - |
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| (noun) a hard copal derived from an African tree | Synonyms: Zanzibar copal |
| (noun) any of various resins or oleoresins | Synonyms: gum anime |
| animise | (verb) give lifelike qualities to | Synonyms: animate, animize |
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| animism | (noun) the doctrine that all natural objects and the universe itself have souls | - |
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| animist | (adjective) of or pertaining to the doctrine of animism | Synonyms: animistic |
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| (noun) one who accepts the doctrine of animism | - |
| animistic | (adjective) of or pertaining to the doctrine of animism | Synonyms: animist |
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| animize | (verb) give lifelike qualities to | Synonyms: animate, animise |
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| animosity | (noun) a feeling of ill will arousing active hostility | Synonyms: animus, bad blood |
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| animus | (noun) a feeling of ill will arousing active hostility | Synonyms: animosity, bad blood |
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| anion | (noun) a negatively charged ion | - |
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| anionic | (adjective) of or relating to anions | - |
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| (noun) a class of synthetic detergents in which the molecules do not ionize in aqueous solutions | Synonyms: anionic detergent, non-ionic detergent |
| anise | (noun) liquorice-flavored seeds, used medicinally and in cooking and liquors | Synonyms: anise seed, aniseed |
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| (noun) native to Egypt but cultivated widely for its aromatic seeds and the oil from them used medicinally and as a flavoring in cookery | Synonyms: anise plant, Pimpinella anisum |
| aniseed | (noun) liquorice-flavored seeds, used medicinally and in cooking and liquors | Synonyms: anise, anise seed |
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| aniseikonia | (noun) visual defect in which the shape and size of an ocular image differ in the two eyes | - |
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| aniseikonic | (adjective) relating to or characteristic of the visual defect aniseikonia | - |
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| anisette | (noun) liquorice-flavored usually colorless sweet liqueur made from aniseed | Synonyms: anisette de Bordeaux |
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| anisogamete | (noun) either of a pair of unlike gametes especially those unlike in size | - |
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| anisogametic | (adjective) relating to either of a pair of dissimilar (anisogamic) gametes combining in sexual reproduction | - |
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| anisogamic | (adjective) relating to a type of sexual reproduction in which the gametes are dissimilar in some respect (as size or shape) | Synonyms: anisogamous |
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| anisogamous | (adjective) relating to a type of sexual reproduction in which the gametes are dissimilar in some respect (as size or shape) | Synonyms: anisogamic |
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| anisogamy | (noun) (biology) reproduction by the union or fusion of two differing gametes (especially differing in size) | - |
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| anisometric | (adjective) having unsymmetrical parts or unequal dimensions or measurements | Synonyms: unsymmetrical |
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| anisometropia | (noun) difference in the refractive power of the two eyes | - |
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| anisometropic | (adjective) relating to a difference in the refractive power of the two eyes | - |
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| anisotropic | (adjective) not invariant with respect to direction | - |
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| anisotropically | (adverb) in an anisotropic manner | - |
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| anisotropy | (noun) the property of being anisotropic; having a different value when measured in different directions | - |
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| annihilate | (verb) kill in large numbers | Synonyms: carry off, decimate, eliminate, eradicate, extinguish, wipe out |
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| annihilated | (adjective) destroyed completely | Synonyms: exterminated, wiped out |
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| annihilating | (adjective) wreaking or capable of wreaking complete destruction | Synonyms: annihilative, devastating, withering |
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| (adjective) making light of | Synonyms: devastating, withering |
| annihilation | (noun) destruction by annihilating something | Synonyms: obliteration |
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| (noun) total destruction | Synonyms: disintegration |
| annihilative | (adjective) wreaking or capable of wreaking complete destruction | Synonyms: annihilating, devastating, withering |
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| annihilator | (noun) a total destroyer | - |
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| anniversary | (noun) the date on which an event occurred in some previous year (or the celebration of it) | Synonyms: day of remembrance |
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| anorexigenic | (adjective) causing loss of appetite | Synonyms: anorectic |
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| antagonise | (verb) provoke the hostility of | Synonyms: antagonize |
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| (verb) act in opposition to | Synonyms: antagonize, counteract |
| antagonism | (noun) (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure | - |
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| (noun) an actively expressed feeling of dislike and hostility | - |
| (noun) the relation between opposing principles or forces or factors | - |
| (noun) a state of deep-seated ill-will | Synonyms: enmity, hostility |
| antagonist | (noun) a drug that neutralizes or counteracts the effects of another drug | - |
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| (noun) a muscle that relaxes while another contracts | - |
| (noun) someone who offers opposition | Synonyms: adversary, opponent, opposer, resister |
| antagonistic | (adjective) arousing animosity or hostility | - |
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| (adjective) used especially of drugs or muscles that counteract or neutralize each other's effect | Synonyms: incompatible |
| (adjective) characterized by antagonism or antipathy | Synonyms: antipathetic, antipathetical |
| (adjective) incapable of harmonious association | - |
| (adjective) indicating opposition or resistance | Synonyms: counter |
| antagonistically | (adverb) in an antagonistic manner | - |
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| antagonize | (verb) provoke the hostility of | Synonyms: antagonise |
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| (verb) act in opposition to | Synonyms: antagonise, counteract |
| anthropogenic | (adjective) of or relating to the study of the origins and development of human beings | Synonyms: anthropogenetic |
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| anticyclonic | (adjective) of or relating to or characteristic of the atmosphere around a high pressure center | - |
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| antiestablishmentarianism | (noun) the doctrine of opposition to the social and political establishment | Synonyms: antiestablishmentism |
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| antifeminism | (noun) activity indicative of belief in the superiority of men over women | Synonyms: chauvinism, male chauvinism |
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