| butadiene | (noun) a gaseous hydrocarbon C4H6; used in making synthetic rubbers | - |
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| butene | (noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers | Synonyms: butylene |
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| butylene | (noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers | Synonyms: butene |
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| cacogenesis | (noun) inability to produce hybrids that are both viable and fertile | - |
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| caenogenesis | (noun) introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution) | Synonyms: cainogenesis, cenogenesis, kainogenesis, kenogenesis |
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| cainogenesis | (noun) introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution) | Synonyms: caenogenesis, cenogenesis, kainogenesis, kenogenesis |
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| capableness | (noun) the quality of being capable -- physically or intellectually or legally | Synonyms: capability |
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| (noun) an aptitude that may be developed | Synonyms: capability, potentiality |
| carefreeness | (noun) the trait of being without worry or responsibility | - |
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| (noun) the cheerful feeling you have when nothing is troubling you | Synonyms: insouciance, lightheartedness, lightsomeness |
| carotene | (noun) an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver | Synonyms: carotin, provitamin A |
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| (noun) yellow or orange-red fat-soluble pigments in plants | - |
| carotenemia | (noun) excess carotene in the blood stream; can cause the skin to turn a pale yellow or red color | Synonyms: xanthemia |
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| cenogenesis | (noun) introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution) | Synonyms: caenogenesis, cainogenesis, kainogenesis, kenogenesis |
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| changeableness | (noun) the quality of being changeable; having a marked tendency to change | Synonyms: changeability |
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| charitableness | (noun) generosity as manifested by practicing charity (as for the poor or unfortunate) | - |
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| chasteness | (noun) lack of ornamentation | Synonyms: restraint, simpleness, simplicity |
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| chlorobenzene | (noun) a colorless volatile flammable liquid with an almond odor that is made from chlorine and benzene; used as a solvent and in the production of phenol and DDT and other organic compounds | - |
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| chlorobenzylidenemalononitrile | (noun) a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edema | Synonyms: CS gas |
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| chloroprene | (noun) derivative of butadiene used in making neoprene by polymerization | - |
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| choiceness | (noun) the quality of being very good indeed | Synonyms: fineness |
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| cinnamene | (noun) a colorless oily liquid; the monomer for polystyrene | Synonyms: phenylethylene, styrene, vinylbenzene |
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| clomiphene | (noun) a fertility drug (trade name Clomid) that is used to stimulate ovulation and that has been associated with multiple births | Synonyms: Clomid, clomiphene citrate |
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| closeness | (noun) the spatial property resulting from a relatively small distance | Synonyms: nearness |
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| (noun) characterized by a lack of openness (especially about one's actions or purposes) | Synonyms: secretiveness |
| (noun) the quality of being close and poorly ventilated | Synonyms: stuffiness |
| (noun) close or warm friendship | Synonyms: familiarity, intimacy |
| (noun) extreme stinginess | Synonyms: meanness, minginess, niggardliness, niggardness, parsimoniousness, parsimony, tightfistedness, tightness |
| (noun) a feeling of being intimate and belonging together | Synonyms: intimacy |
| coarseness | (noun) looseness or roughness in texture (as of cloth) | Synonyms: nubbiness, tweediness |
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| (noun) the quality of being composed of relatively large particles | Synonyms: graininess, granularity |
| (noun) the quality of lacking taste and refinement | Synonyms: commonness, grossness, raunch, vulgarism, vulgarity |
| (noun) language or humor that is down-to-earth | Synonyms: saltiness |
| cocksureness | (noun) total certainty or greater certainty than circumstances warrant | Synonyms: certitude, overconfidence |
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| cohesiveness | (noun) the property of being cohesive and sticky | Synonyms: glueyness, gluiness, gumminess, ropiness, tackiness, viscidity, viscidness |
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| (noun) the state of cohering or sticking together | Synonyms: coherence, coherency, cohesion |
| comatoseness | (noun) a state of deep and often prolonged unconsciousness; usually the result of disease or injury | Synonyms: coma |
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| combativeness | (noun) a militant aggressiveness | Synonyms: militance, militancy |
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| combustibleness | (noun) the quality of being capable of igniting and burning | Synonyms: burnability, combustibility |
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| comfortableness | (noun) a feeling of being at ease in a relationship | - |
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| (noun) a state of being relaxed and feeling no pain | Synonyms: comfort |
| commensurateness | (noun) the relation of corresponding in degree or size or amount | Synonyms: correspondence, proportionateness |
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| commonplaceness | (noun) ordinariness as a consequence of being frequent and commonplace | Synonyms: commonness, everydayness |
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| communicativeness | (noun) the trait of being communicative | - |
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| companionableness | (noun) suitability to be a companion | Synonyms: companionability |
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| compassionateness | (noun) a deep awareness of and sympathy for another's suffering | Synonyms: compassion |
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| competitiveness | (noun) an aggressive willingness to compete | Synonyms: fight |
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| completeness | (noun) (logic) an attribute of a logical system that is so constituted that a contradiction arises if any proposition is introduced that cannot be derived from the axioms of the system | - |
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| (noun) the state of being complete and entire; having everything that is needed | - |
| compositeness | (noun) the property of being a composite number | - |
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| comprehensiveness | (noun) the capacity to understand a broad range of topics | Synonyms: breadth, largeness |
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| (noun) completeness over a broad scope | Synonyms: fullness |
| compulsiveness | (noun) the trait of acting compulsively | Synonyms: compulsivity |
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| concaveness | (noun) the property possessed by a concave shape | Synonyms: concavity |
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| conceivableness | (noun) the state of being conceivable | Synonyms: conceivability |
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| conciseness | (noun) terseness and economy in writing and speaking achieved by expressing a great deal in just a few words | Synonyms: concision, pithiness, succinctness |
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| conclusiveness | (noun) the quality of being final or definitely settled | Synonyms: decisiveness, finality |
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| concreteness | (noun) the quality of being concrete (not abstract) | - |
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| congener | (noun) a whole (a thing or person) of the same kind or category as another | - |
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| (noun) an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus) | Synonyms: congenator, congeneric, relative |
| (noun) a minor chemical constituent that gives a wine or liquor its distinctive character | - |
| congeneric | (noun) an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus) | Synonyms: congenator, congener, relative |
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| considerateness | (noun) kind and considerate regard for others | Synonyms: consideration, thoughtfulness |
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| constructiveness | (noun) the quality of serving to build or improve | - |
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| contemplativeness | (noun) deep serious thoughtfulness | Synonyms: meditativeness, pensiveness |
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| contriteness | (noun) sorrow for sin arising from fear of damnation | Synonyms: attrition, contrition |
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| convener | (noun) the member of a group whose duty it is to convene meetings | - |
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| cooperativeness | (noun) the trait of being cooperative | Synonyms: amenability, amenableness |
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| creativeness | (noun) the ability to create | Synonyms: creative thinking, creativity |
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| credibleness | (noun) the quality of being believable or trustworthy | Synonyms: believability, credibility |
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| crenel | (noun) a notch or open space between two merlons in a crenelated battlement | Synonyms: crenelle |
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| (noun) one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.) | Synonyms: crenation, crenature, crenelle, scallop |
| crenelation | (noun) the action of constructing ramparts with gaps for firing guns or arrows | Synonyms: crenellation |
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| (noun) a rampart built around the top of a castle with regular gaps for firing arrows or guns | Synonyms: battlement, crenellation |
| crenellation | (noun) the action of constructing ramparts with gaps for firing guns or arrows | Synonyms: crenelation |
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| (noun) a rampart built around the top of a castle with regular gaps for firing arrows or guns | Synonyms: battlement, crenelation |
| crenelle | (noun) a notch or open space between two merlons in a crenelated battlement | Synonyms: crenel |
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| (noun) one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.) | Synonyms: crenation, crenature, crenel, scallop |
| crudeness | (noun) an impolite manner that is vulgar and lacking tact or refinement | Synonyms: crudity, gaucheness |
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| (noun) an unpolished unrefined quality | Synonyms: roughness |
| (noun) a wild or unrefined state | Synonyms: crudity, primitiveness, primitivism, rudeness |
| ctene | (noun) a locomotor organ consisting of a row of strong cilia whose bases are fused | Synonyms: comb-plate |
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| culpableness | (noun) a state of guilt | Synonyms: blameworthiness, culpability |
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| cumbersomeness | (noun) trouble in carrying or managing caused by bulk or shape | Synonyms: awkwardness, unwieldiness |
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| curableness | (noun) capability of being cured or healed | Synonyms: curability |
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| cuteness | (noun) the quality of being appealing in a delicate or graceful way (of a girl or young woman) | Synonyms: prettiness |
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| cycloalkene | (noun) alkene hydrocarbon which contains a closed ring of carbon atoms, but has no aromatic character. | Synonyms: cycloolefin |
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| cymene | (noun) any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins | - |
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| cytogenesis | (noun) the origin and development and variation of cells | Synonyms: cytogeny |
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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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| damascene | (noun) a design produced by inlaying gold or silver into steel | - |
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| dampener | (noun) a device that dampens or moistens something | Synonyms: moistener |
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| deceptiveness | (noun) the quality of being deceptive | Synonyms: obliquity |
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| decisiveness | (noun) the trait of resoluteness as evidenced by firmness of character or purpose | Synonyms: decision |
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| (noun) the quality of being final or definitely settled | Synonyms: conclusiveness, finality |
| decorativeness | (noun) an appearance that serves to decorate and make something more attractive | - |
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| defectiveness | (noun) the state of being defective | Synonyms: faultiness |
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| defenestration | (noun) the act of throwing someone or something out of a window | - |
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| defensiveness | (noun) excessive sensitivity to criticism | - |
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| definiteness | (noun) the quality of being predictable with great confidence | Synonyms: determinateness |
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| degeneracy | (noun) moral perversion; impairment of virtue and moral principles | Synonyms: corruption, depravation, depravity, putrefaction |
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| (noun) the state of being degenerate in mental or moral qualities | Synonyms: decadence, decadency, degeneration |
| degenerate | (noun) a person whose behavior deviates from what is acceptable especially in sexual behavior | Synonyms: deviant, deviate, perv, perve, pervert |
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| degeneration | (noun) passing from a more complex to a simpler biological form | Synonyms: retrogression |
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| (noun) the process of declining from a higher to a lower level of effective power or vitality or essential quality | Synonyms: devolution |
| (noun) the state of being degenerate in mental or moral qualities | Synonyms: decadence, decadency, degeneracy |
| deliberateness | (noun) the trait of thoughtfulness in action or decision | Synonyms: deliberation |
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| (noun) a rate demonstrating an absence of haste or hurry | Synonyms: deliberation, slowness, unhurriedness |
| demonstrativeness | (noun) tending to express your feelings freely | - |
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| demureness | (noun) the trait of behaving with reserve and decorum | - |
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| (noun) the affectation of being demure in a provocative way | Synonyms: coyness |
| denseness | (noun) the amount per unit size | Synonyms: density |
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| (noun) the spatial property of being crowded together | Synonyms: compactness, concentration, density, tightness |
| (noun) the quality of being mentally slow and limited | Synonyms: dumbness, slow-wittedness |
| dependableness | (noun) the quality of being dependable or reliable | Synonyms: dependability, reliability, reliableness |
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| desirableness | (noun) the quality of being worthy of desiring | Synonyms: desirability |
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| (noun) attractiveness to the opposite sex | Synonyms: desirability, oomph, sex appeal |
| despicableness | (noun) unworthiness by virtue of lacking higher values | Synonyms: baseness, contemptibility, despicability, sordidness |
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| destructiveness | (noun) the quality of causing destruction | - |
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| determinateness | (noun) the quality of being predictable with great confidence | Synonyms: definiteness |
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| diffuseness | (noun) the spatial property of being spread out over a wide area or through a large volume | - |
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| digenesis | (noun) alternation of sexual and asexual generations | Synonyms: metagenesis |
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| digestibleness | (noun) the property of being easy to digest | Synonyms: digestibility |
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| digressiveness | (noun) The characteristic quality of poetry that is marked by departure from the subject, course, or idea at hand; or by an exploration of a different or unrelated concern. | - |
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| diminutiveness | (noun) the property of being very small in size | Synonyms: minuteness, petiteness, tininess, weeness |
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| diplotene | (noun) the fourth stage of the prophase of meiosis | - |
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| directiveness | (noun) the quality of being directive | Synonyms: directivity |
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| disagreeableness | (noun) an ill-tempered and offensive disposition | - |
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| (noun) the quality of being disagreeable and unpleasant | - |
| disconsolateness | (noun) feeling downcast and disheartened and hopeless | Synonyms: despondence, despondency, heartsickness |
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| discreteness | (noun) the state of being several and distinct | Synonyms: distinctness, separateness, severalty |
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| discursiveness | (noun) the quality of being discursive | - |
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