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Glossary · Nouns · D

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TermTypeDefinitionClassificationsUpdated
Depopulationnounthe condition of having reduced numbers of inhabitants (or no inhabitants at all)verifiedMay 18, 2026
Deportationnounthe expulsion from a country of an undesirable alienverifiedMay 18, 2026
Deporteenouna person who is expelled from home or country by authorityverifiedMay 18, 2026
Deportmentnoun(behavioral attributes) the way a person behaves toward other peopleverifiedMay 18, 2026
Deposernouna person who testifies or gives a depositionverifiedMay 18, 2026
Deposit AccountnounMWEa bank account (often a savings account) that money can be deposited and withdrawn from by the account holder. The deposit can be held for a fixed term in which withdrawals can be made only after giving notice or with loss of interest.verifiedMay 18, 2026
Deposit BoxnounMWEa fireproof metal strongbox (usually in a bank) for storing valuablesverifiedMay 18, 2026
Depositarynouna facility where things can be deposited for storage or safekeepingverifiedMay 18, 2026
Depositionnounthe natural process of laying down a deposit of somethingverifiedMay 18, 2026
Depositornouna person who has deposited money in a bank or similar institutionverifiedMay 18, 2026
DepositorynounAn institution that holds funds or marketable securities for safekeeping. Depositories may be privately or publicly operated and allow securities transfers through book-entry and offer funds accounts permitting funds transfers as a means of payment.PhysicalMay 9, 2026
Depository banknounMWEThe institution at which a check is first deposited. While this term is often used interchangeably with "depository," "depositary" is a term of art in laws and regulations related to check processing.OrganizationRegulatedMay 9, 2026
Depository bank (Check 21)nounMWEAlso known as Bank of First Deposit (BOFD). The first bank to which a check is transferred even though it is also the paying bank or the payee. A check deposited in an account is deemed to be transferred to the financial institution holding the account into which the check is deposited, even though the check is physically received and endorsed first by another financial institution.OrganizationRegulatedPCIMay 12, 2026
Depository Financial InstitutionnounMWEa financial institution that accepts deposits and channels the money into lending activitiesverifiedMay 18, 2026
Depository LibrarynounMWEa depository built to contain books and other materials for reading and studyverifiedMay 18, 2026
Depotnounstation where transport vehicles load or unload passengers or goodsverifiedMay 18, 2026
Depravationnounmoral perversionverifiedMay 18, 2026
Depravitynouna corrupt or depraved or degenerate act or practiceverifiedMay 18, 2026
Deprecationnounthe act of expressing disapproval (especially of yourself)verifiedMay 18, 2026
Depreciationnoundecrease in value of an asset due to obsolescence or useverifiedMay 18, 2026
Depreciation AllowancenounMWEan allowance for loss due to depreciationverifiedMay 18, 2026
Depreciation ChargenounMWEan amount periodically charged to expense or against revenue in compensation for depreciation of propertyverifiedMay 18, 2026
Depreciation RatenounMWEthe rate at which the value of property is reducedverifiedMay 18, 2026
Depreciatornounone who disparages or belittles the worth of somethingverifiedMay 18, 2026
Depredationnounan act of plundering and pillaging and maraudingverifiedMay 18, 2026
Depressed FracturenounMWEfracture of the skull where the bone is pushed inverifiedMay 18, 2026
Depressionnouna long-term economic state characterized by unemployment and low prices and low levels of trade and investmentverifiedMay 18, 2026
Depressivenounsomeone suffering psychological depressionverifiedMay 18, 2026
Depressive DisordernounMWEa state of depression and anhedonia so severe as to require clinical interventionverifiedMay 18, 2026
Depressornounany nerve whose activity tends to reduce the activity or tone of the body part it servesverifiedMay 18, 2026
Depressor MusclenounMWEany skeletal muscle that draws a body part downverifiedMay 18, 2026
Depressor NervenounMWEany nerve whose activity tends to reduce the activity or tone of the body part it servesverifiedMay 18, 2026
Deprivationnounact of depriving someone of food or money or rightsverifiedMay 18, 2026
DepthnounAn attribute associated with an assessment method that addresses the rigor and level of detail associated with the application of the method. The values for the depth attribute, hierarchically from less depth to more depth, are basic, focused, and comprehensive.MetricMay 9, 2026
Depth BombnounMWEa bomb that explodes at a preset depth under waterverifiedMay 18, 2026
Depth ChargenounMWEa bomb that explodes at a preset depth under waterverifiedMay 18, 2026
Depth FindernounMWEnavigational instrument used to measure the depth of a body of water, as by ultrasound or radarverifiedMay 18, 2026
Depth GagenounMWEa gauge for measuring the depth of grooves or holes or other concavitiesverifiedMay 18, 2026
Depth GaugenounMWEa gauge for measuring the depth of grooves or holes or other concavitiesverifiedMay 18, 2026
Depth PsychologynounMWEa set of techniques for exploring underlying motives and a method of treating various mental disordersverifiedMay 18, 2026
Deputationnounauthorizing subordinates to make certain decisionsverifiedMay 18, 2026
Deputynouna member of the lower chamber of a legislative assembly (such as in France)verifiedMay 18, 2026
Deputy SheriffnounMWEsomeone authorized to exercise the powers of sheriff in emergenciesverifiedMay 18, 2026
Deracinationnounto move something from its natural environmentverifiedMay 18, 2026
Derailleurnouna form of bike gearing that functions by moving the chain between different gearsverifiedMay 18, 2026
Derailmentnounan accident in which a train runs off its trackverifiedMay 18, 2026
Derangementnouna state of mental disturbance and disorientationverifiedMay 18, 2026
Derbynouna felt hat that is round and hard with a narrow brimverifiedMay 18, 2026
Derby HatnounMWEa felt hat that is round and hard with a narrow brimverifiedMay 18, 2026
Deregulatingnounthe act of freeing from regulation (especially from governmental regulations)verifiedMay 18, 2026
Deregulationnounthe act of freeing from regulation (especially from governmental regulations)verifiedMay 18, 2026
Derelictionnouna tendency to be negligent and uncaringverifiedMay 18, 2026
Derisionnounthe act of deriding or treating with contemptverifiedMay 18, 2026
Derivationnoun(descriptive linguistics) the process whereby new words are formed from existing words or bases by affixationverifiedMay 18, 2026
Derivational MorphologynounMWEthe part of grammar that deals with the derivations of wordsverifiedMay 18, 2026
Derivative InstrumentnounMWEa financial instrument whose value is based on another securityverifiedMay 18, 2026
Derived FunctionnounMWEthe result of mathematical differentiationverifiedMay 18, 2026
Derivingnoun(historical linguistics) an explanation of the historical origins of a word or phraseverifiedMay 18, 2026
Dermanounthe deep vascular inner layer of the skinverifiedMay 18, 2026
Dermabrasionnounremoval of scars or tattoos by anesthetizing the skin surface and then sanding or scraping off some of the outer skin layerverifiedMay 18, 2026
Dermatitisnouninflammation of the skinverifiedMay 18, 2026
Dermatoglyphicsnounthe study of the whorls and loops and arches in the fingertips and on the palms of the hand and the soles of the feetverifiedMay 18, 2026
Dermatologistnouna doctor who specializes in the physiology and pathology of the skinverifiedMay 18, 2026
Dermatologynounthe branch of medicine dealing with the skin and its diseasesverifiedMay 18, 2026
Dermatomenouna surgical instrument used to cut very thin slices of skinverifiedMay 18, 2026
Dermatomycosisnounfungal infection of the skin, especially of moist parts covered by clothingverifiedMay 18, 2026
Dermatomyositisnounmyositis characterized by weakness of limb and neck muscles and much muscle pain and swelling accompanied by skin rash affecting cheeks and eyelids and neck and chest and limbsverifiedMay 18, 2026
Dermatophytosisnounfungal infection of the skin (especially of moist parts covered by clothing)verifiedMay 18, 2026
Dermatosclerosisnounan autoimmune disease that affects the blood vessels and connective tissueverifiedMay 18, 2026
Dermatosisnoundisorder involving lesions or eruptions of the skin (in which there is usually no inflammation)verifiedMay 18, 2026
Dermisnounthe deep vascular inner layer of the skinverifiedMay 18, 2026
Dermoid CystnounMWEa cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other materialverifiedMay 18, 2026
Derogationnoun(law) the partial taking away of the effectiveness of a lawverifiedMay 18, 2026
Derricknouna framework erected over an oil well to allow drill tubes to be raised and loweredverifiedMay 18, 2026
Derrierenounthe fleshy part of the human body that you sit onverifiedMay 18, 2026
Derring-Donounbrave and heroic featsverifiedMay 18, 2026
Derringernouna pocket pistol of large caliber with a short barrelverifiedMay 18, 2026
Derrisnounany of various usually woody vines of the genus Derris of tropical Asia whose roots yield the insecticide rotenoneverifiedMay 18, 2026
Derris RootnounMWEwoody vine having bright green leaves and racemes of rose-tinted white flowersverifiedMay 18, 2026
Dervnoundiesel oil used in cars and lorries with diesel enginesverifiedMay 18, 2026
Dervishnounan ascetic Muslim monkverifiedMay 18, 2026
Desalinationnounthe removal of salt (especially from sea water)verifiedMay 18, 2026
Desalinisationnounthe removal of salt (especially from sea water)verifiedMay 18, 2026
Desalinizationnounthe removal of salt (especially from sea water)verifiedMay 18, 2026
Descendernounthe part of lowercase letters that extends below the other lowercase lettersverifiedMay 18, 2026
Descending AortanounMWEthe descending part of the aorta that branches into the thoracic and abdominal aortaeverifiedMay 18, 2026
Descending ColonnounMWEthe part of the large intestine that descends from the transverse colon to the sigmoid colonverifiedMay 18, 2026
Descending NodenounMWEthe point at which an orbit crosses the ecliptic plane going southverifiedMay 18, 2026
Descensusnounthe slipping or falling out of place of an organ, commonly referring to the uterusverifiedMay 18, 2026
Descensus UterinounMWEprolapse of the uterusverifiedMay 18, 2026
Descentnounthe kinship relation between an individual and the individual's progenitorsverifiedMay 18, 2026
descriptionnounA statement that represents something in words.ArtifactMay 9, 2026
Descriptive AdjectivenounMWEan adjective that ascribes to its noun the value of an attribute of that noun (e.g., `a nervous person' or `a musical speaking voice')verifiedMay 18, 2026
Descriptive AnalyticsnounMWEInsights, reporting, and information answering the question, “Why did something happen?” Descriptive analytics determines information useful to understanding the cause(s) of an event(s).CapabilityMay 18, 2026
Descriptive AnthropologynounMWEthe branch of anthropology that provides scientific description of individual human societiesverifiedMay 18, 2026
Descriptive ClausenounMWEa subordinate clause that does not limit or restrict the meaning of the noun phrase it modifiesverifiedMay 18, 2026
Descriptive GeometrynounMWEthe geometry of properties that remain invariant under projectionverifiedMay 18, 2026
Descriptive GrammarnounMWEa grammar that is produced by descriptive linguisticsverifiedMay 18, 2026
Descriptive LinguisticsnounMWEa description (at a given point in time) of a language with respect to its phonology and morphology and syntax and semantics without value judgmentsverifiedMay 18, 2026
Descriptive Top-Level SpecificationnounMWEA natural language descriptive of a system’s security requirements, an informal design notation, or a combination of the two.RequirementRegulatedCUIMay 12, 2026