| acerbity | (noun) a rough and bitter manner | Synonyms: acrimony, bitterness, jaundice, tartness, thorniness |
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| (noun) a sharp sour taste | Synonyms: tartness |
| (noun) a sharp bitterness | - |
| acerola | (noun) acid red or yellow cherry-like fruit of a tropical American shrub very rich in vitamin C | Synonyms: barbados cherry, surinam cherry, West Indian cherry |
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| (noun) tropical American shrub bearing edible acid red fruit resembling cherries | Synonyms: barbados cherry, Malpighia glabra, Surinam cherry, West Indian cherry |
| acervulus | (noun) small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi | - |
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| acylglycerol | (noun) an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils | Synonyms: glyceride |
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| adducer | (noun) a discussant who offers an example or a reason or a proof | - |
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| advancer | (noun) someone who advances | - |
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| announcer | (noun) reads news, commercials on radio or television | - |
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| (noun) someone who proclaims a message publicly | - |
| artificer | (noun) a skilled worker who practices some trade or handicraft | Synonyms: artisan, craftsman, journeyman |
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| (noun) someone who is the first to think of or make something | Synonyms: discoverer, inventor |
| (noun) an enlisted man responsible for the upkeep of small arms and machine guns etc. | Synonyms: armorer, armourer |
| backspacer | (noun) the typewriter key used for back spacing | Synonyms: backspace, backspace key |
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| balancer | (noun) either of the rudimentary hind wings of dipterous insects; used for maintaining equilibrium during flight | Synonyms: halter, haltere |
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| (noun) an acrobat who balances himself in difficult positions | - |
| bouncer | (noun) a person whose duty is to throw troublemakers out of a bar or public meeting | Synonyms: chucker-out |
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| bracer | (noun) a tonic or restorative (especially a drink of liquor) | Synonyms: pick-me-up |
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| (noun) a protective covering for the wrist or arm that is used in archery and fencing and other sports | Synonyms: armguard |
| bracero | (noun) a Mexican laborer who worked in the United States on farms and railroads in order to ease labor shortages during World War II | - |
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| cancer | (noun) any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream | Synonyms: malignant neoplastic disease |
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| cancerweed | (noun) sage of eastern United States | Synonyms: cancer weed, Salvia lyrata |
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| ceramic | (noun) an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures | - |
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| ceramicist | (noun) a craftsman who shapes pottery on a potter's wheel and bakes them in a kiln | Synonyms: ceramist, potter, thrower |
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| ceramics | (noun) the art of making and decorating pottery | - |
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| ceramist | (noun) a craftsman who shapes pottery on a potter's wheel and bakes them in a kiln | Synonyms: ceramicist, potter, thrower |
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| ceras | (noun) one of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gills | - |
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| cerastes | (noun) highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye | Synonyms: Cerastes cornutus, horned asp, horned viper, sand viper |
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| cerate | (noun) a hard medicated paste made of lard or oil mixed with wax or resin | - |
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| ceratin | (noun) a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves | Synonyms: keratin |
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| ceratodus | (noun) extinct lungfish | - |
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| ceratopsian | (noun) any of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia | Synonyms: horned dinosaur |
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| ceratosaur | (noun) primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America | Synonyms: ceratosaurus |
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| ceratosaurus | (noun) primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America | Synonyms: ceratosaur |
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| ceratozamia | (noun) a small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody cones; Mexico | - |
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| cercaria | (noun) tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage | - |
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| cere | (noun) the fleshy, waxy covering at the base of the upper beak of some birds | - |
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| cereal | (noun) a breakfast food prepared from grain | - |
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| (noun) foodstuff prepared from the starchy grains of cereal grasses | Synonyms: food grain, grain |
| (noun) grass whose starchy grains are used as food: wheat, rice, rye, oats, maize, buckwheat, millet | Synonyms: cereal grass |
| cerebellum | (noun) a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans | - |
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| cerebration | (noun) the process of using your mind to consider something carefully | Synonyms: intellection, mentation, thinking, thought, thought process |
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| cerebromeningitis | (noun) inflammation of the brain and spinal cord and their meninges | Synonyms: encephalomeningitis, meningoencephalitis |
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| cerebroside | (noun) A cerebroside is any of various organic lipid compounds containing glucose or galactose and glucose; it occurs in the myelin sheath of cerebrospinal neurons. | - |
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| cerebrum | (noun) anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans | - |
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| cerecloth | (noun) a waterproof waxed cloth once used as a shroud | - |
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| cerement | (noun) burial garment in which a corpse is wrapped | Synonyms: pall, shroud, winding-clothes, winding-sheet |
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| ceremonial | (noun) a formal event performed on a special occasion | Synonyms: ceremonial occasion, ceremony, observance |
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| ceremoniousness | (noun) a ceremonial manner | - |
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| ceremony | (noun) the proper or conventional behavior on some solemn occasion | - |
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| (noun) any activity that is performed in an especially solemn elaborate or formal way | - |
| (noun) a formal event performed on a special occasion | Synonyms: ceremonial, ceremonial occasion, observance |
| ceresin | (noun) a white wax extracted from ozokerite | - |
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| ceriman | (noun) tropical cylindrical fruit resembling a pinecone with pineapple-banana flavor | Synonyms: monstera |
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| (noun) tropical American vine having roots that hang like cords and cylindrical fruit with a pineapple and banana flavor | Synonyms: Monstera deliciosa |
| cerise | (noun) a red the color of ripe cherries | Synonyms: cherry, cherry red |
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| cerium | (noun) a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group | Synonyms: atomic number 58, Ce |
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| cerivastatin | (noun) an oral drug (trade name Baycol) to reduce blood cholesterol levels | Synonyms: Baycol |
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| cero | (noun) large edible mackerel of temperate United States coastal Atlantic waters | Synonyms: kingfish, pintado, Scomberomorus regalis |
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| (noun) large mackerel with long pointed snout; important food and game fish of the eastern Atlantic coast southward to Brazil | Synonyms: cavalla, king mackerel, Scomberomorus cavalla |
| cerography | (noun) the art of engraving on a waxed plate on which a printing surface is created by electrotyping. | - |
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| ceroplastics | (noun) the art of modeling in wax. | - |
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| cert | (noun) an absolute certainty | - |
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| certainty | (noun) something that is certain | Synonyms: foregone conclusion, sure thing |
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| (noun) the state of being certain | - |
| certificate | (noun) a document attesting to the truth of certain stated facts | Synonyms: certification, credential, credentials |
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| (noun) a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends | Synonyms: security |
| certification | (noun) the act of certifying or bestowing a franchise on | Synonyms: enfranchisement |
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| (noun) validating the authenticity of something or someone | Synonyms: authentication |
| (noun) confirmation that some fact or statement is true through the use of documentary evidence | Synonyms: corroboration, documentation |
| (noun) a document attesting to the truth of certain stated facts | Synonyms: certificate, credential, credentials |
| certiorari | (noun) a common law writ issued by a superior court to one of inferior jurisdiction demanding the record of a particular case | Synonyms: writ of certiorari |
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| certitude | (noun) total certainty or greater certainty than circumstances warrant | Synonyms: cocksureness, overconfidence |
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| cerulean | (noun) a light shade of blue | Synonyms: azure, lazuline, sapphire, sky-blue |
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| cerumen | (noun) a soft yellow wax secreted by glands in the ear canal | Synonyms: earwax |
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| ceruse | (noun) a poisonous white pigment that contains lead | Synonyms: lead carbonate, white lead |
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| cerussite | (noun) a mineral consisting of lead carbonate that is an important source of lead | Synonyms: white lead ore |
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| cervicitis | (noun) inflammation of the uterine cervix | - |
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| cervid | (noun) distinguished from Bovidae by the male's having solid deciduous antlers | Synonyms: deer |
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| cervix | (noun) the part of an organism (human or animal) that connects the head to the rest of the body | Synonyms: neck |
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| (noun) necklike opening to the uterus | Synonyms: cervix uteri, uterine cervix |
| chancery | (noun) an office of archives for public or ecclesiastic records; a court of public records | - |
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| (noun) a court with jurisdiction in equity | Synonyms: court of chancery |
| chelicera | (noun) either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing | - |
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| chiromancer | (noun) fortuneteller who predicts your future by the lines on your palms | Synonyms: palmist, palmister |
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| cicero | (noun) a linear unit of the size of type slightly larger than an em | - |
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| cicerone | (noun) a guide who conducts and informs sightseers | - |
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| concern | (noun) something that interests you because it is important or affects you | - |
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| (noun) something or someone that causes anxiety; a source of unhappiness | Synonyms: headache, vexation, worry |
| (noun) a feeling of sympathy for someone or something | - |
| (noun) an anxious feeling | Synonyms: care, fear |
| (noun) a commercial or industrial enterprise and the people who constitute it | Synonyms: business, business concern, business organisation, business organization |
| concert | (noun) a performance of music by players or singers not involving theatrical staging | - |
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| concertina | (noun) free-reed instrument played like an accordion by pushing its ends together to force air through the reeds | - |
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| (noun) coiled barbed wire used as an obstacle | - |
| concertinist | (noun) a person who plays the concertina | - |
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| concerto | (noun) a composition for orchestra and a soloist | - |
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| conveyancer | (noun) a lawyer who specializes in the business of conveying properties | - |
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| dancer | (noun) a performer who dances professionally | Synonyms: professional dancer, terpsichorean |
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| (noun) a person who participates in a social gathering arranged for dancing (as a ball) | Synonyms: social dancer |
| deicer | (noun) heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane) | Synonyms: defroster |
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| dicer | (noun) a mechanical device used for dicing food | - |
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| dinoceras | (noun) a variety of dinocerate | Synonyms: uintathere |
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| dinocerate | (noun) an extinct ungulate | - |
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| discernability | (noun) distinctness that makes perception easy | Synonyms: legibility |
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| discernment | (noun) the trait of judging wisely and objectively | Synonyms: discretion |
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| (noun) the mental ability to understand and discriminate between relations | Synonyms: judgement, judgment, sagaciousness, sagacity |
| (noun) the cognitive condition of someone who understands | Synonyms: apprehension, savvy, understanding |
| (noun) perception of that which is obscure | Synonyms: perceptiveness |
| (noun) delicate discrimination (especially of esthetic values) | Synonyms: appreciation, perceptiveness, taste |
| disconcertion | (noun) anxious embarrassment | Synonyms: discomfiture, discomposure, disconcertment |
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| disconcertment | (noun) anxious embarrassment | Synonyms: discomfiture, discomposure, disconcertion |
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| endocervicitis | (noun) inflammation of the mucous lining of the uterine cervix | - |
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| enforcer | (noun) one whose job it is to execute unpleasant tasks for a superior | Synonyms: hatchet man |
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| enhancer | (noun) anything that serves by contrast to call attention to another thing's good qualities | Synonyms: foil |
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| evisceration | (noun) surgical removal of an organ (or the contents of an organ) from a patient | - |
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| (noun) the act of removing the bowels or viscera; the act of cutting so as to cause the viscera to protrude | Synonyms: disembowelment |
| (noun) altering something (as a legislative act or a statement) in such a manner as to reduce its value | - |
| exacerbation | (noun) violent and bitter exasperation | - |
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| (noun) action that makes a problem or a disease (or its symptoms) worse | Synonyms: aggravation |
| excerpt | (noun) a passage selected from a larger work | Synonyms: excerption, extract, selection |
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| excerption | (noun) The act of excerpting or selecting from a larger work. | - |
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| (noun) a passage selected from a larger work | Synonyms: excerpt, extract, selection |
| facer | (noun) (a dated Briticism) a serious difficulty with which one is suddenly faced | - |
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| fencer | (noun) someone skilled at fencing | Synonyms: swordsman |
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| ferrocerium | (noun) a pyrophoric alloy of iron with cerium; used for lighter flints | - |
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| freelancer | (noun) a writer or artist who sells services to different employers without a long-term contract with any of them | Synonyms: free-lance, free lance, freelance, independent, self-employed person |
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| geomancer | (noun) one who practices geomancy | - |
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| glyceraldehyde | (noun) a sweet crystalline aldehyde formed by the breakdown of sugars | Synonyms: glyceric aldehyde |
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| glyceride | (noun) an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils | Synonyms: acylglycerol |
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| glycerin | (noun) a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils | Synonyms: glycerine, glycerol |
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| glycerine | (noun) a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils | Synonyms: glycerin, glycerol |
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| glycerite | (noun) a medicine made by mixing a substance in glycerin | Synonyms: glycerole |
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| glycerogel | (noun) a medicated skin preparation made from glycerin and glycerinated gelatin | Synonyms: glycerogelatin |
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