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Glossary · Nouns · D

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TermTypeDefinitionClassificationsUpdated
Dolichocephalismnounthe quality of being dolichocephalicverifiedMay 18, 2026
Dolichocephalynounthe quality of being dolichocephalicverifiedMay 18, 2026
Doliolumnounfree-swimming oceanic tunicate with a barrel-shaped transparent bodyverifiedMay 18, 2026
Dollnouninformal terms for a (young) womanverifiedMay 18, 2026
Doll's EyesnounMWENorth American herb with white poisonous berriesverifiedMay 18, 2026
Dollarnounthe basic monetary unit in many countriesverifiedMay 18, 2026
Dollar BillnounMWEa piece of paper money worth one dollarverifiedMay 18, 2026
Dollar DiplomacynounMWEdiplomacy influenced by economic considerationsverifiedMay 18, 2026
Dollar MarknounMWE"$" symbol written before a number to indicate that it stands for the number of dollarsverifiedMay 18, 2026
Dollar SignnounMWEa mark ($) written before a number to indicate that it stands for the number of dollarsverifiedMay 18, 2026
Dollar VolumenounMWEthe volume measured in dollarsverifiedMay 18, 2026
Dollarfishnounany of several silvery marine fishes with very flat bodiesverifiedMay 18, 2026
Dollhousenouna house so small that it is likened to a child's playthingverifiedMay 18, 2026
Dollopnouna small measure (usually of food)verifiedMay 18, 2026
Dollynounconveyance consisting of a wheeled support on which a camera can be mountedverifiedMay 18, 2026
Dolmannouna hussar's jacket worn over the shouldersverifiedMay 18, 2026
Dolman JacketnounMWEa hussar's jacket worn over the shouldersverifiedMay 18, 2026
Dolman SleevenounMWEa sleeve with a large armhole and tight cuffverifiedMay 18, 2026
Dolmasnounwell-seasoned rice, with nuts, currants, or minced lamb, simmered or braised in stockverifiedMay 18, 2026
Dolomitenouna kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonateverifiedMay 18, 2026
Dolophine HydrochloridenounMWEsynthetic narcotic drug similar to morphine but less habit-formingverifiedMay 18, 2026
Dolornoun(poetry) painful griefverifiedMay 18, 2026
Dolournoun(poetry) painful griefverifiedMay 18, 2026
Dolphinnounlarge slender food and game fish widely distributed in warm seas (especially around Hawaii)verifiedMay 18, 2026
Dolphin KicknounMWEa swimming kickverifiedMay 18, 2026
Dolphin OilnounMWEan unsaturated fatty oil obtained from dolphins and used as a fine lubricantverifiedMay 18, 2026
Dolphin StrikernounMWEspar under the bowsprit of a sailboatverifiedMay 18, 2026
Dolphinfishnounlarge slender food and game fish widely distributed in warm seas (especially around Hawaii)verifiedMay 18, 2026
Doltnouna person who is not very brightverifiedMay 18, 2026
DomainnounAn environment or context that includes a set of system resources and a set of system entities that have the right to access the resources as defined by a common security policy, security model, or security architecture.NetworkMay 9, 2026
Domain ExpertisenounMWEDomain expertise implies knowledge and understanding of the essential aspects of a specific field of inquiry.CapabilityMay 18, 2026
Domain HijackingnounMWEDomain hijacking is an attack by which an attacker takes over a domain by first blocking access to the domain's DNS server and then putting his own server up in its place.ThreatMay 9, 2026
Domain NamenounMWEA domain name locates an organization or other entity on the Internet. For example, the domain name "www.sans.org" locates an Internet address for "sans.org" at Internet point 199.0.0.2 and a particular host server named "www". The "org" part of the domain name reflects the purpose of the organization or entity (in this example, "organization") and is called the top-level domain name. The "sans" part of the domain name defines the organization or entity and together with the top-level is called the second-level domain name.NetworkMay 12, 2026
Domain name systemnounMWEA hierarchical database that is distributed across the Internet that allows names to be resolved into IP addresses (and vice versa) to locate services such as web and e-mail serversNetworkMay 9, 2026
Domain Name System security extensions (DNSSEC)nounMWEA technology that was developed to, among other things, protect against such attacks by digitally 'signing' data so you can be assured it is valid.ControlMay 12, 2026
Domain of a FunctionnounMWE(mathematics) the set of values of the independent variable for which a function is definedverifiedMay 18, 2026
Domain ShiftnounMWEDifferences between the source and target domain dataVulnerabilityMay 18, 2026
Domatiumnouna part of a plant (e.g., a leaf) that has been modified to provide protection for insects or mites or fungiverifiedMay 18, 2026
Dombeyanounany of various shrubs or small trees of the genus Dombeya grown for their rounded clusters of exquisite often sweet-scented flowers usually hanging beneath the leavesverifiedMay 18, 2026
Domenouna concave shape whose distinguishing characteristic is that the concavity faces downwardverifiedMay 18, 2026
Domed StadiumnounMWEa stadium that has a roofverifiedMay 18, 2026
Domestic AnimalnounMWEany of various animals that have been tamed and made fit for a human environmentverifiedMay 18, 2026
Domestic AssnounMWEdomestic beast of burden descended from the African wild assverifiedMay 18, 2026
Domestic CarpnounMWElarge Old World freshwater bottom-feeding fish introduced into Europe from AsiaverifiedMay 18, 2026
Domestic CatnounMWEany domesticated member of the genus FelisverifiedMay 18, 2026
Domestic DognounMWEa member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric timesverifiedMay 18, 2026
Domestic FlightnounMWEa flight that begins and ends in the same countryverifiedMay 18, 2026
Domestic FowlnounMWEa domesticated gallinaceous bird thought to be descended from the red jungle fowlverifiedMay 18, 2026
Domestic GoatnounMWEany of various breeds of goat raised for milk or meat or woolverifiedMay 18, 2026
Domestic HelpnounMWEa servant who is paid to perform menial tasks around the householdverifiedMay 18, 2026
Domestic LlamanounMWEused in the Andes as a beast of burden and source of woolverifiedMay 18, 2026
Domestic PartnernounMWEa person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationshipverifiedMay 18, 2026
Domestic PigeonnounMWEdomesticated pigeon raised for sport or foodverifiedMay 18, 2026
Domestic PrelatenounMWE(Roman Catholic Church) a priest who is an honorary member of the papal householdverifiedMay 18, 2026
Domestic Relations CourtnounMWEa court in some states in the United States that has jurisdiction over family disputes (especially those involving children)verifiedMay 18, 2026
Domestic SciencenounMWEtheory and practice of homemakingverifiedMay 18, 2026
Domestic SheepnounMWEany of various breeds raised for wool or edible meat or skinverifiedMay 18, 2026
Domestic Silkworm MothnounMWEstocky creamy-white Asiatic moth found almost entirely under human careverifiedMay 18, 2026
Domestic TerrorismnounMWEterrorism practiced in your own country against your own peopleverifiedMay 18, 2026
Domestic ViolencenounMWEviolence or physical abuse directed toward your spouse or domestic partnerverifiedMay 18, 2026
Domesticated AnimalnounMWEany of various animals that have been tamed and made fit for a human environmentverifiedMay 18, 2026
Domesticated Silkworm MothnounMWEstocky creamy-white Asiatic moth found almost entirely under human careverifiedMay 18, 2026
Domesticationnounadaptation to intimate association with human beingsverifiedMay 18, 2026
Domesticitynounthe quality of being domestic or domesticatedverifiedMay 18, 2026
Domiciliationnountemporary living quartersverifiedMay 18, 2026
Dominancenounthe organic phenomenon in which one of a pair of alleles present in a genotype is expressed in the phenotype and the other allele of the pair is notverifiedMay 18, 2026
Dominant AllelenounMWEan allele that produces the same phenotype whether its paired allele is identical or differentverifiedMay 18, 2026
Dominant GenenounMWEgene that produces the same phenotype in the organism whether or not its allele identicalverifiedMay 18, 2026
Dominationnounsocial control by dominatingverifiedMay 18, 2026
Dominatrixnouna dominating woman (especially one who plays that role in a sadomasochistic sexual relationship)verifiedMay 18, 2026
Dominenouna clergymanverifiedMay 18, 2026
Domineenouna clergymanverifiedMay 18, 2026
Domineeringnessnounthe trait of being imperious and overbearingverifiedMay 18, 2026
Dominienouna clergymanverifiedMay 18, 2026
Dominionnouna region marked off for administrative or other purposesverifiedMay 18, 2026
Domino EffectnounMWEthe consequence of one event setting off a chain of similar events (like a falling domino causing a whole row of upended dominos to fall)verifiedMay 18, 2026
Domino TheorynounMWEthe political theory that if one nation comes under communist control then neighboring nations will also come under communist controlverifiedMay 18, 2026
Dominoesnounany of several games played with small rectangular blocksverifiedMay 18, 2026
Dominosnouna loose hooded cloak worn with a half mask as part of a masquerade costumeverifiedMay 18, 2026
Dominusnouna clergymanverifiedMay 18, 2026
Domoic AcidnounMWEa neurotoxin that is deadly for humansverifiedMay 18, 2026
Don't-Knownouna person who responds `I don't know' in a public opinion pollverifiedMay 18, 2026
Donationnounact of giving in common with others for a common purpose especially to a charityverifiedMay 18, 2026
Doneenounthe recipient of funds or other benefitsverifiedMay 18, 2026
Donglenoun(computer science) an electronic device that must be attached to a computer in order for it to use protected softwareverifiedMay 18, 2026
Donjonnounthe main tower within the walls of a medieval castle or fortressverifiedMay 18, 2026
Donkeynoundomestic beast of burden descended from the African wild assverifiedMay 18, 2026
Donkey BoilernounMWE(nautical) an extra boiler (as a ship's boiler that is used while the ship is in port)verifiedMay 18, 2026
Donkey CartnounMWEa cart with an underslung axle and two seatsverifiedMay 18, 2026
Donkey EnginenounMWE(nautical) a small engine (as one used on board ships to operate a windlass)verifiedMay 18, 2026
Donkey JacketnounMWEa short thick jacketverifiedMay 18, 2026
Donkey PumpnounMWEa supplementary pump available if neededverifiedMay 18, 2026
Donkeyworknounhard monotonous routine workverifiedMay 18, 2026
Donnanounan Italian woman of rankverifiedMay 18, 2026
Donornounsomeone who gives blood or tissue or an organ to be used in another personverifiedMay 18, 2026
Donor CardnounMWEa card that you carry on your person and that authorizes the use of your organs for transplantation after your deathverifiedMay 18, 2026
Donutnouna small ring-shaped friedcakeverifiedMay 18, 2026
Doo-Wopnouna genre (usually a cappella) of Black vocal-harmony music of the 1950s that evolved in New York City from gospel singingverifiedMay 18, 2026
Doobnountrailing grass native to Europe now cosmopolitan in warm regionsverifiedMay 18, 2026
Doodadnounsomething unspecified whose name is either forgotten or not knownverifiedMay 18, 2026