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Glossary · Nouns · D

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TermTypeDefinitionClassificationsUpdated
Duffle CoatnounMWEa warm coat made of duffelverifiedMay 18, 2026
Dugnounan udder or breast or teatverifiedMay 18, 2026
Dugongnounsirenian tusked mammal found from eastern Africa to AustraliaverifiedMay 18, 2026
Dugoutnouneither of two low shelters on either side of a baseball diamond where the players and coaches sit during the gameverifiedMay 18, 2026
Dugout CanoenounMWEa canoe made by hollowing out and shaping a large logverifiedMay 18, 2026
Dukenouna nobleman (in various countries) of high rankverifiedMay 18, 2026
Dukedomnounthe domain controlled by a duke or duchessverifiedMay 18, 2026
Dulciananounthe organ stop having a tone of soft sweet string qualityverifiedMay 18, 2026
Dulcimernouna trapezoidal zither whose metal strings are struck with light hammersverifiedMay 18, 2026
Dulcineanouna woman who is a man's sweetheartverifiedMay 18, 2026
Dullardnouna person who is not very brightverifiedMay 18, 2026
Dullnessnounwithout sharpness or clearness of edge or pointverifiedMay 18, 2026
Dulsenouncoarse edible red seaweedverifiedMay 18, 2026
Dumb BombnounMWEa bomb that falls because of gravity and is not guided to a targetverifiedMay 18, 2026
Dumb CanenounMWEan evergreen plant with large showy dark green leavesverifiedMay 18, 2026
Dumb ShownounMWEa performance using gestures and body movements without wordsverifiedMay 18, 2026
Dumbassnouna stupid personverifiedMay 18, 2026
Dumbbellnounan ignorant or foolish personverifiedMay 18, 2026
Dumbnessnounthe quality of being mentally slow and limitedverifiedMay 18, 2026
Dumbwaiternouna small elevator used to convey food (or other goods) from one floor of a building to anotherverifiedMay 18, 2026
Dumdumnouna soft-nosed small-arms bullet that expands when it hits a target and causes a gaping woundverifiedMay 18, 2026
Dumdum BulletnounMWEa soft-nosed small-arms bullet that expands when it hits a target and causes a gaping woundverifiedMay 18, 2026
Dumdum FevernounMWEleishmaniasis of the visceraverifiedMay 18, 2026
Dummy WhistnounMWEa form of whist with three playersverifiedMay 18, 2026
Dump RoutinenounMWEa routine that writes from an internal store to some external mediumverifiedMay 18, 2026
Dump TrucknounMWEtruck whose contents can be emptied without handlingverifiedMay 18, 2026
Dumpcartnouna cart that can be tilted to empty contents without handlingverifiedMay 18, 2026
Dumpernountruck whose contents can be emptied without handlingverifiedMay 18, 2026
Dumpinessnouna short and stout physiqueverifiedMay 18, 2026
Dumpingnounselling goods abroad at a price below that charged in the domestic marketverifiedMay 18, 2026
Dumplingnounsmall balls or strips of boiled or steamed doughverifiedMay 18, 2026
DumpSecnounDumpSec is a security tool that dumps a variety of information about a system's users, file system, registry, permissions, password policy, and services.CapabilityMay 9, 2026
Dumpsitenouna piece of land where waste materials are dumpedverifiedMay 18, 2026
Dumpsternouna container designed to receive and transport and dump wasteverifiedMay 18, 2026
Dumpster DivingnounMWEDumpster Diving is obtaining passwords and corporate directories by searching through discarded media.ThreatRestrictedIPMay 9, 2026
Duncenouna stupid personverifiedMay 18, 2026
Dunce CapnounMWEa cone-shaped paper hat formerly placed on the head of slow or lazy pupilsverifiedMay 18, 2026
Dundathu PinenounMWEAustralian timber tree resembling the kauri but having wood much lighter in weight and softerverifiedMay 18, 2026
Dunderheadnouna stupid personverifiedMay 18, 2026
Dunenouna ridge of sand created by the windverifiedMay 18, 2026
Dune BuggynounMWEa recreational vehicle with large tires used on beaches or sand dunesverifiedMay 18, 2026
Dune CyclingnounMWEbicycling or motorcycling on sand dunesverifiedMay 18, 2026
Dung BeetlenounMWEany of numerous beetles that roll balls of dung on which they feed and in which they lay eggsverifiedMay 18, 2026
Dungareenouna coarse durable twill-weave cotton fabricverifiedMay 18, 2026
Dungeonnouna dark cell (usually underground) where prisoners can be confinedverifiedMay 18, 2026
Dunghillnouna foul or degraded conditionverifiedMay 18, 2026
Dunk ShotnounMWEa basketball shot in which the basketball is propelled downward into the basketverifiedMay 18, 2026
Dunkernounan eater who dips food into a liquid before eating itverifiedMay 18, 2026
Dunlinnounsmall common sandpiper that breeds in northern or Arctic regions and winters in southern United States or Mediterranean regionsverifiedMay 18, 2026
Dunnocknounsmall brownish European songbirdverifiedMay 18, 2026
Duonountwo performers or singers who perform togetherverifiedMay 18, 2026
Duodecimal DigitnounMWEa digit from 0 to 11 in duodecimal notationverifiedMay 18, 2026
Duodecimal NotationnounMWEany notation that uses 12 different charactersverifiedMay 18, 2026
Duodecimal Number SystemnounMWEa positional system of numeration that uses duodecimal digits and a radix of twelveverifiedMay 18, 2026
Duodecimal SystemnounMWEa positional system of numeration that uses duodecimal digits and a radix of twelveverifiedMay 18, 2026
Duodenal SmearnounMWEalimentary tract smear of material obtained from the duodenumverifiedMay 18, 2026
Duodenal UlcernounMWEa peptic ulcer of the duodenumverifiedMay 18, 2026
Duodenumnounthe part of the small intestine between the stomach and the jejunumverifiedMay 18, 2026
Duologuenouna part of the script in which the speaking roles are limited to two actorsverifiedMay 18, 2026
Duomonounthe principal Christian church building of a bishop's dioceseverifiedMay 18, 2026
Duperynounsomething intended to deceiveverifiedMay 18, 2026
Duple TimenounMWEmusical time with two beats in each barverifiedMay 18, 2026
Duplex ApartmentnounMWEan apartment having rooms on two floors that are connected by a staircaseverifiedMay 18, 2026
Duplex HousenounMWEa house with two units sharing a common wallverifiedMay 18, 2026
Duplicabilitynounthe quality of being reproducibleverifiedMay 18, 2026
Duplicate Digital EvidencenounMWEA duplicate is an accurate digital reproduction of all data objects contained on the original physical item and associated media.ArtifactRegulatedCUIMay 9, 2026
Duplicationnounthe act of copying or making a duplicate (or duplicates) of somethingverifiedMay 18, 2026
Duplicatornounapparatus that makes copies of typed, written or drawn materialverifiedMay 18, 2026
Duplicitynouna fraudulent or duplicitous representationverifiedMay 18, 2026
Duranounthe outermost (and toughest) of the 3 meningesverifiedMay 18, 2026
Dura MaternounMWEthe outermost (and toughest) of the 3 meningesverifiedMay 18, 2026
Durabilitynounpermanence by virtue of the power to resist stress or forceverifiedMay 18, 2026
Durable GoodsnounMWEconsumer goods that are not destroyed by useverifiedMay 18, 2026
Durable PressnounMWEa fabric that has been chemically processed to resist wrinkles and hold its shapeverifiedMay 18, 2026
Durablesnounconsumer goods that are not destroyed by useverifiedMay 18, 2026
Duramennounthe older inactive central wood of a tree or woody plantverifiedMay 18, 2026
Durancenounimprisonment (especially for a long time)verifiedMay 18, 2026
DurationnounA field within a certificate that is composed of two subfields; “date of issue” and “date of next issue.”ArtifactMay 12, 2026
Durativenounthe aspect of a verb that expresses its durationverifiedMay 18, 2026
Durative AspectnounMWEthe aspect of a verb that expresses its durationverifiedMay 18, 2026
Durbarnounthe room in the palace of a native prince of India in which audiences and receptions occurverifiedMay 18, 2026
Duressnouncompulsory force or threatverifiedMay 18, 2026
Duriannounhuge fruit native to southeastern Asia `smelling like Hell and tasting like Heaven'verifiedMay 18, 2026
Durian TreenounMWEtree of southeastern Asia having edible oval fruit with a hard spiny rindverifiedMay 18, 2026
duringnounThis limits a Control or Mandate's secondary verb to be put into play as the event is happening.candidateMay 9, 2026
Durionnountree of southeastern Asia having edible oval fruit with a hard spiny rindverifiedMay 18, 2026
Durmastnoundeciduous European oak valued for its tough elastic woodverifiedMay 18, 2026
Durranounsorghums of dry regions of Asia and North AfricaverifiedMay 18, 2026
Durumnounwheat with hard dark-colored kernels high in gluten and used for bread and pastaverifiedMay 18, 2026
Durum WheatnounMWEwheat with hard dark-colored kernels high in gluten and used for bread and pastaverifiedMay 18, 2026
Duskinessnounthe state of being poorly illuminatedverifiedMay 18, 2026
Dusky SalamandernounMWEcommon North American salamander mottled with dull brown or greyish-blackverifiedMay 18, 2026
Dusky SharknounMWErelatively slender blue-grey sharkverifiedMay 18, 2026
Dusky-Footed Wood RatnounMWEa wood rat with dusky feetverifiedMay 18, 2026
Dust BagnounMWEa bag into which dirt is sucked by a vacuum cleanerverifiedMay 18, 2026
Dust BowlnounMWEa region subject to dust stormsverifiedMay 18, 2026
Dust CloudnounMWEa cloud of dust suspended in the airverifiedMay 18, 2026
Dust CoatnounMWEa loose coverall (coat or frock) reaching down to the anklesverifiedMay 18, 2026
Dust ContaminationnounMWEthe act of contaminating with dust particlesverifiedMay 18, 2026
Dust CovernounMWEa large piece of cloth used to cover furniture that is not in use for a long periodverifiedMay 18, 2026