| contradiction | (noun) the speech act of contradicting someone | - |
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| (noun) (logic) a statement that is necessarily false | Synonyms: contradiction in terms |
| (noun) opposition between two conflicting forces or ideas | - |
| contradictoriness | (noun) the relation that exists when opposites cannot coexist | - |
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| contradictory | (noun) two propositions are contradictories if both cannot be true (or both cannot be false) at the same time | - |
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| contraindication | (noun) (medicine) a reason that makes it inadvisable to prescribe a particular drug or employ a particular procedure or treatment | - |
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| conventicle | (noun) a building for religious assembly (especially Nonconformists, e.g., Quakers) | Synonyms: meetinghouse |
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| (noun) a secret unauthorized meeting for religious worship | - |
| convict | (noun) a person serving a sentence in a jail or prison | Synonyms: con, inmate, yard bird, yardbird |
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| (noun) a person who has been convicted of a criminal offense | - |
| convictfish | (noun) greenling with whitish body marked with black bands | Synonyms: convict fish, Oxylebius pictus, painted greenling |
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| conviction | (noun) (criminal law) a final judgment of guilty in a criminal case and the punishment that is imposed | Synonyms: condemnation, judgment of conviction, sentence |
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| (noun) an unshakable belief in something without need for proof or evidence | Synonyms: article of faith, strong belief |
| coppice | (noun) a dense growth of bushes | Synonyms: brush, brushwood, copse, thicket |
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| cornice | (noun) the topmost projecting part of an entablature | - |
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| (noun) a molding at the corner between the ceiling and the top of a wall | - |
| (noun) a decorative framework to conceal curtain fixtures at the top of a window casing | Synonyms: pelmet, valance, valance board |
| corticoid | (noun) a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response | Synonyms: adrenal cortical steroid, corticosteroid |
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| corticosteroid | (noun) a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response | Synonyms: adrenal cortical steroid, corticoid |
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| corticosterone | (noun) secreted by the adrenal cortex; involved in regulating water and electrolyte balance in the body | - |
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| corticotrophin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotrophin, adrenocorticotropic hormone, adrenocorticotropin, corticotropin |
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| corticotropin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotrophin, adrenocorticotropic hormone, adrenocorticotropin, corticotrophin |
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| cosmetic | (noun) a toiletry designed to beautify the body | - |
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| cosmetician | (noun) someone who sells or applies cosmetics | - |
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| (noun) someone who works in a beauty parlor | Synonyms: beautician |
| cottonwick | (noun) of warm Atlantic waters | Synonyms: Haemulon malanurum |
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| cowardice | (noun) the trait of lacking courage | Synonyms: cowardliness |
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| cowlick | (noun) a tuft of hair that grows in a different direction from the rest of the hair and usually will not lie flat | - |
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| crevice | (noun) a long narrow cleft | Synonyms: cleft, crack, fissure, scissure |
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| (noun) a long narrow depression in a surface | Synonyms: chap, crack, cranny, fissure |
| crick | (noun) a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British) | Synonyms: kink, rick, wrick |
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| cricket | (noun) a game played with a ball and bat by two teams of 11 players; teams take turns trying to score runs | - |
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| (noun) leaping insect; male makes chirping noises by rubbing the forewings together | - |
| cricketer | (noun) an athlete who plays cricket | - |
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| critic | (noun) a person who is professionally engaged in the analysis and interpretation of works of art | - |
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| (noun) anyone who expresses a reasoned judgment of something | - |
| (noun) someone who frequently finds fault or makes harsh and unfair judgments | - |
| criticality | (noun) a state of critical urgency | Synonyms: criticalness, cruciality |
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| (noun) a critical state; especially the point at which a nuclear reaction is self-sustaining | - |
| criticalness | (noun) a state of critical urgency | Synonyms: criticality, cruciality |
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| criticism | (noun) a serious examination and judgment of something | Synonyms: critique |
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| (noun) disapproval expressed by pointing out faults or shortcomings | Synonyms: unfavorable judgment |
| (noun) a written evaluation of a work of literature | Synonyms: literary criticism |
| cryogenics | (noun) the branch of physics that studies the phenomena that occur at very low temperatures | Synonyms: cryogeny |
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| cryonics | (noun) the freezing of a seriously ill or recently deceased person to stop tissues from decomposing; the body is preserved until new medical cures are developed that might bring the person back to life | - |
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| cryptanalytics | (noun) the science of analyzing and deciphering codes and ciphers and cryptograms | Synonyms: cryptanalysis, cryptography, cryptology |
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| cubicity | (noun) the property of resembling a cube | - |
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| cubicle | (noun) small area set off by walls for special use | Synonyms: booth, kiosk, stall |
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| (noun) small individual study area in a library | Synonyms: carrel, carrell, stall |
| (noun) small room in which a monk or nun lives | Synonyms: cell |
| cupronickel | (noun) a 60/40 alloy of copper and nickel | - |
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| curlicue | (noun) a short twisting line | Synonyms: squiggle |
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| (noun) a round shape formed by a series of concentric circles (as formed by leaves or flower petals) | Synonyms: coil, curl, gyre, ringlet, roll, scroll, whorl |
| curriculum | (noun) an integrated course of academic studies | Synonyms: course of study, program, programme, syllabus |
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| cuticle | (noun) hard outer covering or case of certain organisms such as arthropods and turtles | Synonyms: carapace, shell, shield |
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| (noun) the outer layer of the skin covering the exterior body surface of vertebrates | Synonyms: epidermis |
| (noun) the dead skin at the base of a fingernail or toenail | - |
| cuticula | (noun) the outer body wall of an insect | - |
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| cybernetics | (noun) (biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems) | - |
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| cyclicity | (noun) the quality of recurring at regular intervals | Synonyms: periodicity |
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| cylindricality | (noun) the roundness of a 3-dimensional cylinder | Synonyms: cylindricalness |
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| cylindricalness | (noun) the roundness of a 3-dimensional cylinder | Synonyms: cylindricality |
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| cynic | (noun) someone who is critical of the motives of others | Synonyms: faultfinder |
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| cynicism | (noun) a cynical feeling of distrust | - |
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| cytoarchitectonics | (noun) the cellular composition of a bodily structure | Synonyms: cytoarchitecture |
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| cytogeneticist | (noun) a geneticist who specializes in the cellular components associated with heredity | - |
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| cytogenetics | (noun) the branch of biology that studies the cellular aspects of heredity (especially the chromosomes) | - |
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| cytotoxicity | (noun) the degree to which something is toxic to living cells | - |
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| dabchick | (noun) small European grebe | Synonyms: little grebe, Podiceps ruficollis |
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| decalcification | (noun) loss of calcium from bones or teeth | - |
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| declassification | (noun) reduction or removal by the government of restrictions on a classified document or weapon | - |
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| decortication | (noun) removal of the outer covering of an organ or part | - |
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| dedication | (noun) the act of binding yourself (intellectually or emotionally) to a course of action | Synonyms: allegiance, commitment, loyalty |
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| (noun) complete and wholehearted fidelity | - |
| (noun) a short message (as in a book or musical work or on a photograph) dedicating it to someone or something | Synonyms: inscription |
| (noun) a message that makes a pledge | Synonyms: commitment |
| (noun) a ceremony in which something (as a building) is dedicated to some goal or purpose | - |
| deficiency | (noun) lack of an adequate quantity or number | Synonyms: inadequacy, insufficiency |
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| (noun) the state of needing something that is absent or unavailable | Synonyms: lack, want |
| deficit | (noun) the property of being an amount by which something is less than expected or required | Synonyms: shortage, shortfall |
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| (noun) an excess of liabilities over assets (usually over a certain period) | - |
| (noun) (sports) the score by which a team or individual is losing | - |
| (noun) a deficiency or failure in neurological or mental functioning | - |
| 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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| deictic | (noun) a word specifying identity or spatial or temporal location from the perspective of a speaker or hearer in the context in which the communication occurs | Synonyms: deictic word |
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| deification | (noun) the elevation of a person (as to the status of a god) | Synonyms: apotheosis, exaltation |
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| (noun) an embodiment of the qualities of a god | - |
| (noun) the condition of being treated like a god | - |
| delicacy | (noun) the quality of being beautiful and delicate in appearance | Synonyms: daintiness, fineness |
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| (noun) subtly skillful handling of a situation | Synonyms: diplomacy, discreetness, finesse |
| (noun) lack of physical strength | Synonyms: fragility |
| (noun) slenderness | Synonyms: slightness |
| (noun) lightness in movement or manner | Synonyms: airiness |
| (noun) refined taste; tact | Synonyms: discretion |
| (noun) something considered choice to eat | Synonyms: dainty, goody, kickshaw, treat |
| delicatessen | (noun) a shop selling ready-to-eat food products | Synonyms: deli, food shop |
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| (noun) ready-to-eat food products | Synonyms: delicatessen food |
| deliciousness | (noun) extreme appetizingness | Synonyms: delectability, lusciousness, toothsomeness |
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| demographic | (noun) a statistic characterizing human populations (or segments of human populations broken down by age or sex or income etc.) | - |
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| denazification | (noun) social process of removing Nazis from official positions and giving up any allegiance to Nazism | Synonyms: de-Nazification |
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| densification | (noun) an increase in the density of something | Synonyms: compaction, compression, concretion |
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| denticle | (noun) small pointed ridge on the exoskeleton of an arthropod | - |
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| dentifrice | (noun) a substance for cleaning the teeth; applied with a toothbrush | - |
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| deossification | (noun) the loss of the mineral content of bone tissue | - |
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| depicting | (noun) a representation by picture or portraiture | Synonyms: depiction, portrayal, portraying |
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| depiction | (noun) representation by drawing or painting etc | Synonyms: delineation, portrayal |
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| (noun) a drawing of the outlines of forms or objects | Synonyms: delineation, limning, line drawing |
| (noun) a representation by picture or portraiture | Synonyms: depicting, portrayal, portraying |
| (noun) a graphic or vivid verbal description | Synonyms: characterisation, characterization, delineation, picture, word-painting, word picture |
| derelict | (noun) a ship abandoned on the high seas | Synonyms: abandoned ship |
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| (noun) a person without a home, job, or property | - |
| dereliction | (noun) willful negligence | - |
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| (noun) a tendency to be negligent and uncaring | Synonyms: delinquency, willful neglect |
| dermatoglyphic | (noun) the lines that form patterns on the skin (especially on the fingertips and the palms of the hands and the soles of the feet) | - |
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| dermatoglyphics | (noun) the study of the whorls and loops and arches in the fingertips and on the palms of the hand and the soles of the feet | - |
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| derrick | (noun) a simple crane having lifting tackle slung from a boom | - |
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| (noun) a framework erected over an oil well to allow drill tubes to be raised and lowered | - |
| desertification | (noun) the gradual transformation of habitable land into desert; is usually caused by climate change or by destructive use of the land | - |
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| desiccant | (noun) a substance that promotes drying (e.g., calcium oxide absorbs water and is used to remove moisture) | Synonyms: drier, drying agent, siccative |
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| desiccation | (noun) the process of extracting moisture | Synonyms: dehydration, drying up, evaporation |
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| (noun) dryness resulting from the removal of water | Synonyms: dehydration |
| despicability | (noun) unworthiness by virtue of lacking higher values | Synonyms: baseness, contemptibility, despicableness, sordidness |
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| despicableness | (noun) unworthiness by virtue of lacking higher values | Synonyms: baseness, contemptibility, despicability, sordidness |
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| detoxification | (noun) treatment for poisoning by neutralizing the toxic properties (normally a function of the liver) | - |
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| (noun) a treatment for addiction to drugs or alcohol intended to remove the physiological effects of the addictive substances | - |
| device | (noun) any clever maneuver | Synonyms: gimmick, twist |
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| (noun) an instrumentality invented for a particular purpose | - |
| (noun) an emblematic design (especially in heraldry) | - |
| (noun) any ornamental pattern or design (as in embroidery) | - |
| (noun) something in an artistic work designed to achieve a particular effect | - |
| devices | (noun) an inclination or desire; used in the plural in the phrase `left to your own devices' | - |
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| diabetic | (noun) someone who has diabetes | - |
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| diacritic | (noun) a mark added to a letter to indicate a special pronunciation | Synonyms: diacritical mark |
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| diagnostician | (noun) a doctor who specializes in medical diagnosis | Synonyms: pathologist |
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| diagnostics | (noun) the branch of medical science dealing with the classification of disease | Synonyms: nosology |
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| dialectic | (noun) any formal system of reasoning that arrives at the truth by the exchange of logical arguments | - |
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| (noun) a contradiction of ideas that serves as the determining factor in their interaction | - |
| dialectician | (noun) a logician skilled in dialectic | - |
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| dialectics | (noun) a rationale for dialectical materialism based on change through the conflict of opposing forces | - |
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| diaphoretic | (noun) used to produce perspiration | - |
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| dicamptodon | (noun) salamanders found near cold streams throughout the year | Synonyms: dicamptodontid |
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| dicamptodontid | (noun) salamanders found near cold streams throughout the year | Synonyms: dicamptodon |
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| dice | (noun) a small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers | Synonyms: die |
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| dicer | (noun) a mechanical device used for dicing food | - |
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| dichloride | (noun) a compound containing two chlorine atoms per molecule | Synonyms: bichloride |
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| dichlorodiphenyltrichloroethane | (noun) an insecticide that is also toxic to animals and humans; banned in the United States since 1972 | Synonyms: DDT |
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| dichloromethane | (noun) a nonflammable liquid used as a solvent and paint remover and refrigerant | Synonyms: methylene chloride |
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| dichondra | (noun) a creeping perennial herb with hairy stems and orbicular to reniform leaves and small white to greenish flowers; used as a grass substitute in warm regions | Synonyms: Dichondra micrantha |
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| dichotomisation | (noun) the act of dividing into two sharply different categories | Synonyms: dichotomization |
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| dichotomization | (noun) the act of dividing into two sharply different categories | Synonyms: dichotomisation |
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