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Glossary · Nouns · D

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TermTypeDefinitionClassificationsUpdated
Diagnostic AnalyticsnounMWEInsights, reporting, and information answering the question, “Why did something happen?” Diagnostic analytics determines information useful to understanding the cause(s) of an event(s).CapabilityMay 18, 2026
Diagnostic AssaynounMWEan assay conducted for diagnostic purposesverifiedMay 18, 2026
Diagnostic ProcedurenounMWEa procedure followed in making a medical diagnosisverifiedMay 18, 2026
Diagnostic ProgramnounMWEa program that recognizes and explains faults in the equipment or mistakes in a computer programverifiedMay 18, 2026
Diagnostic TechniquenounMWEa procedure followed in making a medical diagnosisverifiedMay 18, 2026
Diagnostic TestnounMWEan assay conducted for diagnostic purposesverifiedMay 18, 2026
Diagnosticiannouna doctor who specializes in medical diagnosisverifiedMay 18, 2026
Diagnosticsnounthe branch of medical science dealing with the classification of diseaseProcessMay 18, 2026
Diagonal MatrixnounMWEa square matrix with all elements not on the main diagonal equal to zeroverifiedMay 18, 2026
Diagonalisationnounchanging a square matrix to diagonal form (with all non-zero elements on the principal diagonal)verifiedMay 18, 2026
Diagonalizationnounchanging a square matrix to diagonal form (with all non-zero elements on the principal diagonal)verifiedMay 18, 2026
Diagrammingnounproviding a chart or outline of a systemverifiedMay 18, 2026
Diakinesisnounthe final stage of the prophase of meiosisverifiedMay 18, 2026
Dial BacknounMWESynonymous with call back.ControlMay 9, 2026
Dial PhonenounMWEa telephone with a dial for registering the number to be calledverifiedMay 18, 2026
Dial TelephonenounMWEa telephone with a dial for registering the number to be calledverifiedMay 18, 2026
dial-up connectivitynounMWEThe state of being connect through standard phone line and analog modem to access the Internet at data transfer rates (DTR) of up to 56 Kbps.NetworkMay 9, 2026
Dialectnounthe usage or vocabulary that is characteristic of a specific group of peopleverifiedMay 18, 2026
Dialect AtlasnounMWEan atlas showing the distribution of distinctive linguistic featuresverifiedMay 18, 2026
Dialect GeographynounMWEthe study of the geographical distribution of linguistic featuresverifiedMay 18, 2026
Dialectical MaterialismnounMWEthe materialistic philosophy of Karl Marx and Friedrich EngelsverifiedMay 18, 2026
Dialecticiannouna logician skilled in dialecticverifiedMay 18, 2026
Dialectologynounthe branch of philology that is devoted to the study of dialectsverifiedMay 18, 2026
Dialognouna literary composition in the form of a conversation between two peopleverifiedMay 18, 2026
Dialog BoxnounMWE(computer science) a small temporary window in a graphical user interface that appears in order to request information from the userverifiedMay 18, 2026
Dialoguenouna literary composition in the form of a conversation between two peopleverifiedMay 18, 2026
Dialysisnounseparation of substances in solution by means of their unequal diffusion through semipermeable membranesverifiedMay 18, 2026
Dialysis MachinenounMWEa medical instrument for separating substances in solution by unequal diffusion through semipermeable membranesverifiedMay 18, 2026
Dialyzernouna medical instrument for separating substances in solution by unequal diffusion through semipermeable membranesverifiedMay 18, 2026
Diamnounthe length of a straight line passing through the center of a circle and connecting two points on the circumferenceverifiedMay 18, 2026
Diamagnetnouna substance that exhibits diamagnetismverifiedMay 18, 2026
Diamagnetismnounphenomenon exhibited by materials like copper or bismuth that become magnetized in a magnetic field with a polarity opposite to the magnetic forceverifiedMay 18, 2026
Diamantenounadornment consisting of a small piece of shiny material used to decorate clothingverifiedMay 18, 2026
Diameternouna 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)verifiedMay 18, 2026
Diametrical OppositionnounMWEthe relation of opposition along a diameterverifiedMay 18, 2026
Diaminenounany organic compound containing two amino groupsverifiedMay 18, 2026
Diamondnouna transparent piece of diamond that has been cut and polished and is valued as a precious gemverifiedMay 18, 2026
Diamond DustnounMWEsmall crystals of iceverifiedMay 18, 2026
Diamond JubileenounMWEan anniversary celebrating the passage of 60 yearsverifiedMay 18, 2026
Diamond PointnounMWEa very hard small point made from a diamondverifiedMay 18, 2026
Diamond WeddingnounMWEthe 60th wedding anniversaryverifiedMay 18, 2026
Diamond Wedding AnniversarynounMWEthe 60th wedding anniversaryverifiedMay 18, 2026
Diamondbacknounlarge deadly rattlesnake with diamond-shaped markingsverifiedMay 18, 2026
Diamondback RattlesnakenounMWElarge deadly rattlesnake with diamond-shaped markingsverifiedMay 18, 2026
Diamondback TerrapinnounMWEof marshes along Atlantic and Gulf Coasts of United StatesverifiedMay 18, 2026
Diapasonnouneither of the two main stops on a pipe organverifiedMay 18, 2026
Diapason StopnounMWEeither of the two main stops on a pipe organverifiedMay 18, 2026
Diapedesisnounpassage of blood cells (especially white blood cells) through intact capillary walls and into the surrounding tissueverifiedMay 18, 2026
Diapensianounany boreal low-growing evergreen plant of the genus DiapensiaverifiedMay 18, 2026
Diapensia FamilynounMWEnorth temperate low evergreen plantsverifiedMay 18, 2026
Diapernouna fabric (usually cotton or linen) with a distinctive woven pattern of small repeated figuresverifiedMay 18, 2026
Diaper DermatitisnounMWEdermatitis of the thighs and buttocks of infantsverifiedMay 18, 2026
Diaper RashnounMWEdermatitis of the thighs and buttocks of infantsverifiedMay 18, 2026
Diapheromeranouna variety of stick insectverifiedMay 18, 2026
Diaphonenouna foghorn that makes a signal consisting of two tonesverifiedMay 18, 2026
Diaphoresisnounthe process of the sweat glands of the skin secreting a salty fluidverifiedMay 18, 2026
Diaphragmnouna contraceptive device consisting of a flexible dome-shaped cup made of rubber or plasticverifiedMay 18, 2026
Diaphragmatic HernianounMWEhernia resulting from the protrusion of part of the stomach through the diaphragmverifiedMay 18, 2026
Diaphragmatic PleurisynounMWEan acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest)verifiedMay 18, 2026
Diaphysisnounthe main (mid) section of a long boneverifiedMay 18, 2026
Diapirnouna domed rock formation where a core of rock has moved upward and pierced through the more brittle overlying strataverifiedMay 18, 2026
Diapsidnounreptile having a pair of openings in the skull behind each eyeverifiedMay 18, 2026
Diapsid ReptilenounMWEreptile having a pair of openings in the skull behind each eyeverifiedMay 18, 2026
Diarchynouna form of government having two joint rulersverifiedMay 18, 2026
Diaristnounsomeone who keeps a diary or journalverifiedMay 18, 2026
Diarrheanounfrequent and watery bowel movementsverifiedMay 18, 2026
Diarrhoeanounfrequent and watery bowel movementsverifiedMay 18, 2026
Diarthrosisnouna joint so articulated as to move freelyverifiedMay 18, 2026
Diarynouna daily written record of usually personal experiences and observationsverifiedMay 18, 2026
Diary KeepernounMWEsomeone who keeps a diary or journalverifiedMay 18, 2026
Diasporanounthe dispersion or spreading of something that was originally localized (as a people or language or culture)verifiedMay 18, 2026
Diastasisnounseparation of an epiphysis from the long bone to which it is normally attached without fracture of the boneverifiedMay 18, 2026
Diastemanouna gap or vacant space between two teethverifiedMay 18, 2026
Diastolenounthe widening of the chambers of the heart between two contractions when the chambers fill with bloodverifiedMay 18, 2026
Diastolic PressurenounMWEthe blood pressure (as measured by a sphygmomanometer) after the contraction of the heart while the chambers of the heart refill with bloodverifiedMay 18, 2026
Diastrophismnounthe process of deformation that produces continents and ocean basins in the earth's crustverifiedMay 18, 2026
Diathermynouna method of physical therapy that involves generating local heat in body tissues by high-frequency electromagnetic currentsverifiedMay 18, 2026
Diathermy MachinenounMWEa medical instrument for local heating of bodily tissues for medical purposesverifiedMay 18, 2026
Diathesisnounconstitutional predisposition to a particular disease or abnormalityverifiedMay 18, 2026
Diatomnounmicroscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silicaverifiedMay 18, 2026
Diatomaceous EarthnounMWEa light soil consisting of siliceous diatom remains and often used as a filtering materialverifiedMay 18, 2026
Diatomitenouna light soil consisting of siliceous diatom remains and often used as a filtering materialverifiedMay 18, 2026
Diatonic ScalenounMWEa scale with eight notes in an octaveverifiedMay 18, 2026
Diatribenounthunderous verbal attackverifiedMay 18, 2026
Diazepamnouna tranquilizer (trade name Valium) used to relieve anxiety and relax musclesverifiedMay 18, 2026
Diazoniumnounthe univalent cation R-N:N- (where R is an aromatic hydrocarbon)verifiedMay 18, 2026
Diazoxidenounvasodilator (trade name Hyperstat) used to treat severe hypertensionverifiedMay 18, 2026
Dibasic AcidnounMWEan acid containing two replaceable hydrogen atoms per moleculeverifiedMay 18, 2026
Dibbernouna wooden hand tool with a pointed endverifiedMay 18, 2026
Dibbuknoun(Jewish folklore) a demon that enters the body of a living person and controls that body's behaviorverifiedMay 18, 2026
Dibrachnouna metrical unit with unstressed-unstressed syllablesverifiedMay 18, 2026
Dibranchnouncephalopods having two gillsverifiedMay 18, 2026
Dibranchiatenouncephalopods having two gillsverifiedMay 18, 2026
Dibranchiate MollusknounMWEcephalopods having two gillsverifiedMay 18, 2026
Dibsnouna claim of rightsverifiedMay 18, 2026
Dibucainenouna local anesthetic that is administered by injectionverifiedMay 18, 2026
Dicamptodonnounsalamanders found near cold streams throughout the yearverifiedMay 18, 2026
Dicamptodontidnounsalamanders found near cold streams throughout the yearverifiedMay 18, 2026
Dice BoxnounMWEa small container (open at one end) in which dice are shaken by hand and from which they are thrownverifiedMay 18, 2026
Dice CupnounMWEa small container (open at one end) in which dice are shaken by hand and from which they are thrownverifiedMay 18, 2026