| decrementation | (noun) the operation of subtracting one from the operand. | - |
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| defacement | (noun) the act of damaging the appearance or surface of something | Synonyms: disfiguration, disfigurement, mutilation |
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| defamer | (noun) one who attacks the reputation of another by slander or libel | Synonyms: backbiter, libeler, maligner, slanderer, traducer, vilifier |
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| deferment | (noun) act of putting off to a future time | Synonyms: deferral, postponement |
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| defilement | (noun) the state of being polluted | Synonyms: befoulment, pollution |
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| defrayment | (noun) the act of paying money | Synonyms: defrayal, payment |
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| dekameter | (noun) a metric unit of length equal to ten meters | Synonyms: dam, decameter, decametre, dekametre, dkm |
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| dekametre | (noun) a metric unit of length equal to ten meters | Synonyms: dam, decameter, decametre, dekameter, dkm |
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| demeanor | (noun) (behavioral attributes) the way a person behaves toward other people | Synonyms: behavior, behaviour, conduct, demeanour, deportment |
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| demeanour | (noun) (behavioral attributes) the way a person behaves toward other people | Synonyms: behavior, behaviour, conduct, demeanor, deportment |
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| dementedness | (noun) mental deterioration of organic or functional origin | Synonyms: dementia |
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| dementia | (noun) mental deterioration of organic or functional origin | Synonyms: dementedness |
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| demerara | (noun) light brown cane sugar; originally from Guyana | Synonyms: demerara sugar |
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| (noun) dark rum from Guyana | Synonyms: demerara rum |
| (noun) a light brown raw cane sugar from Guyana | - |
| demerit | (noun) the quality of being inadequate or falling short of perfection | Synonyms: fault |
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| (noun) a mark against a person for misconduct or failure; usually given in school or armed forces | - |
| demesne | (noun) territory over which rule or control is exercised | Synonyms: domain, land |
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| (noun) extensive landed property (especially in the country) retained by the owner for his own use | Synonyms: acres, estate, land, landed estate |
| denouement | (noun) the final resolution of the main complication of a literary or dramatic work | - |
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| (noun) the outcome of a complex sequence of events | - |
| denouncement | (noun) a public act of denouncing | Synonyms: denunciation |
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| densimeter | (noun) a measuring instrument for determining density or specific gravity | Synonyms: densitometer |
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| densitometer | (noun) a measuring instrument for determining optical or photographic density | - |
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| (noun) a measuring instrument for determining density or specific gravity | Synonyms: densimeter |
| densitometry | (noun) measuring the optical density of a substance by shining light on it and measuring its transmission | - |
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| department | (noun) a specialized sphere of knowledge | - |
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| (noun) a specialized division of a large organization | Synonyms: section |
| (noun) the territorial and administrative division of some countries (such as France) | - |
| depigmentation | (noun) absence or loss of pigmentation (or less than normal pigmentation) in the skin or hair | - |
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| deployment | (noun) the distribution of forces in preparation for battle or work | - |
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| deportment | (noun) (behavioral attributes) the way a person behaves toward other people | Synonyms: behavior, behaviour, conduct, demeanor, demeanour |
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| derailment | (noun) an accident in which a train runs off its track | - |
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| derangement | (noun) the act of disturbing the mind or body | Synonyms: overthrow, upset |
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| (noun) a state of mental disturbance and disorientation | Synonyms: mental unsoundness, unbalance |
| dermatome | (noun) a surgical instrument used to cut very thin slices of skin | - |
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| despoilment | (noun) the act of stripping and taking by force | Synonyms: despoilation, despoliation, spoil, spoilation, spoliation |
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| detachment | (noun) the act of releasing from an attachment or connection | Synonyms: disengagement |
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| (noun) coming apart | Synonyms: breakup, separation |
| (noun) avoiding emotional involvement | Synonyms: withdrawal |
| (noun) a small unit of troops of special composition | - |
| (noun) the state of being isolated or detached | Synonyms: insularism, insularity, insulation |
| detainment | (noun) a state of being confined (usually for a short time) | Synonyms: custody, detention, hold |
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| determent | (noun) a communication that makes you afraid to try something | Synonyms: deterrence, intimidation |
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| dethronement | (noun) the act of deposing someone; removing a powerful person from a position or office | Synonyms: deposition |
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| detriment | (noun) a damage or loss | Synonyms: hurt |
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| detumescence | (noun) diminution of swelling; the subsidence of anything swollen | - |
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| development | (noun) act of improving by expanding or enlarging or refining | - |
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| (noun) the act of making some area of land or water more profitable or productive or useful | Synonyms: exploitation |
| (noun) (music) the section of a composition or movement (especially in sonata form) where the major musical themes are developed and elaborated | - |
| (noun) a recent event that has some relevance for the present situation | - |
| (noun) a district that has been developed to serve some purpose | - |
| (noun) processing a photosensitive material in order to make an image visible | Synonyms: developing |
| (noun) (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level | Synonyms: growing, growth, maturation, ontogenesis, ontogeny |
| (noun) a process in which something passes by degrees to a different stage (especially a more advanced or mature stage) | Synonyms: evolution |
| (noun) a state in which things are improving; the result of developing (as in the early part of a game of chess) | - |
| devilment | (noun) reckless or malicious behavior that causes discomfort or annoyance in others | Synonyms: devilry, deviltry, mischief-making, mischief, mischievousness, rascality, roguery, roguishness, shenanigan |
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| devolvement | (noun) the delegation of authority (especially from a central to a regional government) | Synonyms: devolution |
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| dexamethasone | (noun) a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation | Synonyms: Decadron, Dexamethasone Intensol, Dexone, Hexadrol, Oradexon |
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| diameter | (noun) the length of a straight line passing through the center of a circle and connecting two points on the circumference | Synonyms: diam |
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| (noun) a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface) | - |
| diapheromera | (noun) a variety of stick insect | Synonyms: Diapheromera femorata |
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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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| dictyosome | (noun) a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions) | Synonyms: Golgi apparatus, Golgi body, Golgi complex |
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| dime | (noun) street name for a packet of illegal drugs that is sold for ten dollars | Synonyms: dime bag |
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| (noun) a United States coin worth one tenth of a dollar | - |
| dimenhydrinate | (noun) antihistamine and antiemetic (trade name Dramamine) used to treat motion sickness | Synonyms: Dramamine |
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| dimension | (noun) the magnitude of something in a particular direction (especially length or width or height) | - |
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| (noun) magnitude or extent | Synonyms: proportion |
| (noun) a construct whereby objects or individuals can be distinguished | Synonyms: attribute, property |
| (noun) one of three Cartesian coordinates that determine a position in space | - |
| dimensionality | (noun) the spatial property of having dimensions | - |
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| dimer | (noun) a compound whose molecules are composed of two identical monomers | - |
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| dimethylglyoxime | (noun) a compound used in analysis as a precipitant for palladium or nickel | - |
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| dimetrodon | (noun) carnivorous dinosaur of the Permian in North America having a crest or dorsal sail | - |
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| dimmer | (noun) a rheostat that varies the current through an electric light in order to control the level of illumination | - |
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| dinnertime | (noun) the customary or habitual hour for the evening meal | Synonyms: suppertime |
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| disablement | (noun) the condition of being unable to perform as a consequence of physical or mental unfitness | Synonyms: disability, handicap, impairment |
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| disagreement | (noun) a difference between conflicting facts or claims or opinions | Synonyms: discrepancy, divergence, variance |
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| (noun) the speech act of disagreeing or arguing or disputing | - |
| (noun) a conflict of people's opinions or actions or characters | Synonyms: dissension, dissonance |
| disappointment | (noun) an act (or failure to act) that disappoints someone | Synonyms: dashing hopes |
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| (noun) a feeling of dissatisfaction that results when your expectations are not realized | Synonyms: letdown |
| disarmament | (noun) act of reducing or depriving of arms | Synonyms: disarming |
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| disarmer | (noun) someone opposed to violence as a means of settling disputes | Synonyms: pacificist, pacifist |
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| disarrangement | (noun) a condition in which an orderly system has been disrupted | Synonyms: disorganisation, disorganization |
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| disbandment | (noun) the act of disbanding | - |
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| disbarment | (noun) the act of expelling a lawyer from the practice of law | - |
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| disbursement | (noun) the act of spending or disbursing money | Synonyms: disbursal, outlay, spending |
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| (noun) amounts paid for goods and services that may be currently tax deductible (as opposed to capital expenditures) | Synonyms: disbursal, expense |
| 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 |
| disclaimer | (noun) (law) a voluntary repudiation of a person's legal claim to something | - |
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| (noun) denial of any connection with or knowledge of | Synonyms: disavowal |
| disconcertment | (noun) anxious embarrassment | Synonyms: discomfiture, discomposure, disconcertion |
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| discontentment | (noun) a longing for something better than the present situation | Synonyms: discontent, discontentedness |
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| discouragement | (noun) the act of discouraging | - |
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| (noun) the expression of opposition and disapproval | - |
| (noun) the feeling of despair in the face of obstacles | Synonyms: disheartenment, dismay |
| disembarkment | (noun) the act of passengers and crew getting off of a ship or aircraft | Synonyms: debarkation, disembarkation |
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| disembarrassment | (noun) something that extricates you from embarrassment | - |
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| disembowelment | (noun) the act of removing the bowels or viscera; the act of cutting so as to cause the viscera to protrude | Synonyms: evisceration |
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| disenchantment | (noun) freeing from false belief or illusions | Synonyms: disillusion, disillusionment |
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| disenfranchisement | (noun) the act of withdrawing certification or terminating a franchise | - |
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| disengagement | (noun) to break off a military action with an enemy | Synonyms: fallback, pullout |
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| (noun) the act of releasing from an attachment or connection | Synonyms: detachment |
| disentanglement | (noun) the act of releasing from a snarled or tangled condition | Synonyms: extrication, unsnarling, untangling |
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| disestablishment | (noun) the act terminating an established state of affairs; especially ending a connection with the Church of England | - |
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| disfigurement | (noun) the act of damaging the appearance or surface of something | Synonyms: defacement, disfiguration, mutilation |
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| (noun) an appearance that has been spoiled or is misshapen | Synonyms: deformity, disfiguration |
| disfranchisement | (noun) the discontinuation of a franchise; especially the discontinuation of the right to vote | - |
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| disgorgement | (noun) the reflex act of ejecting the contents of the stomach through the mouth | Synonyms: emesis, puking, regurgitation, vomit, vomiting |
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| disgruntlement | (noun) a feeling of sulky discontent | - |
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| disheartenment | (noun) a communication that leaves you disheartened or daunted | - |
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| (noun) the feeling of despair in the face of obstacles | Synonyms: discouragement, dismay |
| disillusionment | (noun) freeing from false belief or illusions | Synonyms: disenchantment, disillusion |
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| disinterment | (noun) the act of digging something up out of the ground (especially a corpse) where it has been buried | Synonyms: digging up, exhumation |
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| disinvestment | (noun) the withdrawal of capital from a country or corporation | - |
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| dislodgement | (noun) forced removal from a position of advantage | Synonyms: dislodgment |
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| dislodgment | (noun) forced removal from a position of advantage | Synonyms: dislodgement |
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| dismantlement | (noun) the act of taking something apart (as a piece of machinery) | Synonyms: disassembly, dismantling |
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| dismemberment | (noun) the removal of limbs; being cut to pieces | Synonyms: taking apart |
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| disownment | (noun) refusal to acknowledge as one's own | Synonyms: disowning |
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| disparagement | (noun) the act of speaking contemptuously of | Synonyms: dispraise |
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| (noun) a communication that belittles somebody or something | Synonyms: depreciation, derogation |
| displacement | (noun) act of taking the place of another especially using underhanded tactics | Synonyms: supplanting |
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| (noun) act of removing from office or employment | - |
| (noun) the act of uniform movement | Synonyms: translation |
| (noun) to move something from its natural environment | Synonyms: deracination |
| (noun) an event in which something is displaced without rotation | Synonyms: shift |
| (noun) (psychiatry) a defense mechanism that transfers affect or reaction from the original object to some more acceptable one | - |
| (noun) (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound | Synonyms: displacement reaction |
| dissymmetry | (noun) lack of proportion; imbalance among the parts of something | Synonyms: disproportion, imbalance |
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| distillment | (noun) the process of purifying a liquid by boiling it and condensing its vapors | Synonyms: distillation |
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| divertimento | (noun) a musical composition in several movements; has no fixed form | Synonyms: serenade |
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| divorcement | (noun) the legal dissolution of a marriage | Synonyms: divorce |
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| divulgement | (noun) the act of disclosing something that was secret or private | Synonyms: divulgence |
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| document | (noun) anything serving as a representation of a person's thinking by means of symbolic marks | - |
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| (noun) writing that provides information (especially information of an official nature) | Synonyms: papers, written document |
| (noun) (computer science) a computer file that contains text (and possibly formatting instructions) using seven-bit ASCII characters | Synonyms: text file |
| (noun) a written account of ownership or obligation | - |
| documentary | (noun) a film or TV program presenting the facts about a person or event | Synonyms: docudrama, documentary film, infotainment |
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| documentation | (noun) documentary validation | Synonyms: support |
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| (noun) confirmation that some fact or statement is true through the use of documentary evidence | Synonyms: certification, corroboration |
| (noun) program listings or technical manuals describing the operation and use of programs | Synonyms: software documentation |
| dolmen | (noun) a prehistoric megalithic tomb typically having two large upright stones and a capstone | Synonyms: cromlech, portal tomb |
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| dome | (noun) a hemispherical roof | - |
|---|
| (noun) a stadium that has a roof | Synonyms: covered stadium, domed stadium |
| (noun) informal terms for a human head | Synonyms: attic, bean, bonce, noggin, noodle |
| (noun) a concave shape whose distinguishing characteristic is that the concavity faces downward | - |
| domestic | (noun) a servant who is paid to perform menial tasks around the household | Synonyms: domestic help, house servant |
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| domestication | (noun) accommodation to domestic life | - |
|---|
| (noun) the attribute of having been domesticated | Synonyms: tameness |
| (noun) adaptation to intimate association with human beings | - |