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20-letter words containing a, d, r, i, t

  • decompartmentalizing — Present participle of decompartmentalize.
  • democratic socialism — socialism, or a modified form of socialism, achieved by a gradual transition by and under democratic political processes.
  • demographic timebomb — a predicted shortage of school-leavers and consequently of available workers, caused by an earlier drop in the birth rate, resulting in an older workforce
  • denali national park — a national park in S central Alaska, including Denali (mountain). 3030 sq. mi. (7850 sq. km).
  • depreciation expense — A depreciation expense is the amount deducted from gross profit to allow for a reduction in the value of something because of its age or how much it has been used.
  • descriptive notation — a method of denoting the squares on the chessboard in which each player names the files from the pieces that stand on them at the opening and numbers the ranks away from himself
  • desmopressin acetate — a vasopressin analogue, C 46 H 64 N 14 O 12 S 2 , used in the treatment of diabetes insipidus.
  • determinate cleavage — cell division in a fertilized or unfertilized egg resulting in daughter cells that are no longer able to produce a complete embryo by themselves
  • deterritorialization — The eradication of social, political, or cultural practices from their native places and populations.
  • developing-out paper — a sensitized printing paper requiring development in order to bring out the image. Abbreviation: D.O.P.
  • diabetic retinopathy — a disorder of the blood vessels of the retina occurring as a complication of poorly controlled diabetes mellitus and often leading to blindness.
  • diamond in the rough — a diamond in its natural state
  • diamondback terrapin — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
  • dichloroethyl formal — a colorless liquid, C 5 H 10 O 2 Cl 2 , used chiefly as a solvent and in the manufacture of certain synthetic rubbers.
  • dickless workstation — (abuse)   Extremely pejorative hackerism for "diskless workstation".
  • dictionary catalogue — a catalogue of the authors, titles, and subjects of books in one alphabetical sequence
  • diels-alder reaction — the reaction in which a conjugated diene combines with a double or triple bond of a given compound to form a ring of six carbon atoms.
  • differential housing — the casing that houses the differential of a motor vehicle
  • differential pricing — a situation in which different prices are charged for the same product or service
  • digital data service — (communications)   (DDS) The class of service offered by telecommunications companies for transmitting digital data as opposed to voice.
  • digital media player — Digital Technology. a portable electronic device or a software program that plays and stores digital audio or video files in various formats.
  • digital service unit — data service unit
  • dimethylanthranilate — a colorless or pale-yellow liquid, C 9 H 11 NO 2 , having a grape odor: used chiefly in perfumes, flavorings, and drugs.
  • diplomatic secretary — secretary (def 5).
  • diplomatic-secretary — secretary (def 5).
  • dirac delta function — delta function.
  • direct memory access — (architecture)   (DMA) A facility of some architectures which allows a peripheral to read and write memory without intervention by the CPU. DMA is a limited form of bus mastering.
  • directional drilling — a method of drilling for oil in which the well is not drilled vertically, as when a number of wells are to be drilled from a single platform to reach different areas of an oil field
  • directory assistance — a telephone company service that furnishes telephone directory information over the telephone.
  • directory user agent — (DUA) The software that accesses the X.500 Directory Service on behalf of the directory user. The directory user may be a person or another software element.
  • disability insurance — insurance providing income to a policyholder who is disabled and cannot work.
  • discretionary income — money for luxuries
  • diskless workstation — (computer, networking)   A personal computer or workstation which has neither a hard disk nor floppy disk drive and which performs all file access via a local area network connection to a file server. The lowest level bootstrap code is stored in non-volatile storage. This uses a simple protocol such as BOOTP to request and download more sophisticated boot code and eventually, the operating system. The archtypal product was the 3Station developed by Bob Metcalfe at 3Com. Another example was the Sun 3/50. Diskless workstations are ideal when many users are running the same application. They are small, quiet, more reliable than products with disks, and help prevent both the theft of data and the introduction of viruses since the software and data available on them is controlled by the network administrator or system administrator. They do however rely on a server which becomes a disadvantage if it is heavily loaded or down. See also breath-of-life packet.
  • displacement current — the rate of change, at any point in space, of electric displacement with time.
  • disproportionateness — The state or quality of being disproportionate or out of proportion.
  • disruptive discharge — the sudden, large increase in current through an insulating medium resulting from complete failure of the medium under electrostatic stress.
  • distress merchandise — goods sold below the prevailing price in order to raise cash quickly or to meet some other financial emergency.
  • distributed database — A collection of several different databases that looks like a single database to the user. An example is the Internet Domain Name System (DNS).
  • distributed practice — learning with reasonably long intervals between separate occasions of learning
  • distribution channel — trade: retailer
  • distributive lattice — (theory)   A lattice for which the least upper bound (lub) and greatest lower bound (glb) operators distribute over one another so that a lub (b glb c) == (a lub c) glb (a lub b) and vice versa. ("lub" and "glb" are written in LateX as \sqcup and \sqcap).
  • district of columbia — a federal area in the E United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km). Abbreviation: DC (for use with zip code), D.C.
  • diverticular disease — any disease of the colon involving the presence of diverticula
  • documentary evidence — law: written
  • double fertilization — the fertilization process characteristic of flowering plants, in which one sperm cell of a pollen grain fertilizes an egg cell while a second fuses with two polar nuclei to produce a triploid body that gives rise to the endosperm.
  • double-trailer truck — tandem trailer (def 1).
  • education department — the department of a local authority that is concerned with education, or the government department concerned with education
  • electoral boundaries — the way that a country or area is divided for the purposes of voting in an election
  • electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
  • electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
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