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20-letter words containing t, s, a, d

  • 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.
  • devil's bit scabious — a similar and related Eurasian marsh plant, Succisa pratensis
  • dewey decimal system — a frequently used system of library book classification and arrangement with ten main subject classes
  • diammonium phosphate — a white, crystalline, water-soluble compound, (NH 4) 2 HPO 4 , used as fertilizer, in fire extinguishers, etc.
  • dickless workstation — (abuse)   Extremely pejorative hackerism for "diskless workstation".
  • 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
  • digital data service — (communications)   (DDS) The class of service offered by telecommunications companies for transmitting digital data as opposed to voice.
  • digital service unit — data service unit
  • diisobutyl phthalate — a clear, colorless liquid, C 14 H 26 O 4 , used chiefly as a plasticizer for nitrocellulose.
  • diophantine analysis — any of several methods for finding integral solutions for equations with more than one variable whose coefficients are integers.
  • diplomatic secretary — secretary (def 5).
  • diplomatic-secretary — secretary (def 5).
  • 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.
  • 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 allowance — an amount of money paid by the government to people who are unable to work because of a disability. This is a general term or, in the UK, a shorter way of referring to what is officially called the Disability Living Allowance
  • disability insurance — insurance providing income to a policyholder who is disabled and cannot work.
  • discounted cash flow — a technique for appraising an investment that takes into account the different values of future returns according to when they will be received
  • 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.
  • displacement tonnage — the number of long tons of water displaced by a vessel, light or load displacement being specified.
  • 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
  • domestic heating oil — a liquid petroleum product used to fuel residential building furnaces or boilers
  • double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
  • draw the short straw — to be the person (as in drawing lots) to whom an unwelcome task or fate falls
  • duck-billed platypus — platypus.
  • dun & bradstreet — an agency furnishing subscribers with information as to the financial standing and credit rating of businesses
  • eat out of sb's hand — If you have someone eating out of your hand, they are completely under your control.
  • edward the confessor — Saint, 1002?–66, English king 1042–66: founder of Westminster Abbey.
  • electoral boundaries — the way that a country or area is divided for the purposes of voting in an election
  • electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
  • endorsement in blank — an endorsement on a bill of exchange, cheque, etc, naming no payee and thus making the endorsed sum payable to the bearer
  • epidural anaesthesia — numbing injection in the spine
  • equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
  • essential amino acid — an amino acid that cannot be synthesized in the body and is thus an essential component of the diet
  • essential fatty acid — any fatty acid required by the body in manufacturing prostaglandins, found in such foods as oily fish and nuts
  • estrela mountain dog — a sturdy well-built dog of a Portuguese breed with a long thick coat and a thick tuft of hair round the neck, often used as a guard dog
  • every bit as good as — You say that one thing is every bit as good, interesting, or important as another to emphasize that the first thing is just as good, interesting, or important as the second.
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