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20-letter words containing a, d, e, n, s

  • digital service unit — data service unit
  • dimensional analysis — a method for comparing the dimensions of the physical quantities occurring in a problem to find relationships between the quantities without having to solve the problem completely. Compare dimension (def 6).
  • diophantine analysis — any of several methods for finding integral solutions for equations with more than one variable whose coefficients are integers.
  • 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.
  • disciplinary hearing — a hearing at which the conduct of a member of an organization, profession etc is examined and a punishment may be handed down
  • 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.
  • dispersion hardening — the strengthening of an alloy as a result of the presence of fine particles in the lattice
  • 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.
  • distress merchandise — goods sold below the prevailing price in order to raise cash quickly or to meet some other financial emergency.
  • distribution channel — trade: retailer
  • do someone a service — If you do someone a service, you do something that helps or benefits them.
  • docosahexaenoic acid — DHA.
  • domestic heating oil — a liquid petroleum product used to fuel residential building furnaces or boilers
  • draw close/draw near — If an event or period of time is drawing closer or is drawing nearer, it is approaching.
  • drum and bugle corps — a marching band of drum players and buglers.
  • drunk and disorderly — If someone is charged with being drunk and disorderly, they are charged with being drunk and behaving in a noisy, offensive, or violent way in public.
  • duck-billed dinosaur — hadrosaur.
  • dun & bradstreet — an agency furnishing subscribers with information as to the financial standing and credit rating of businesses
  • early modern english — the English language represented in printed documents of the period starting with Caxton (1476) and ending with Dryden (1700).
  • early sunday morning — a painting (1930) by Edward Hopper.
  • 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
  • european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
  • federal constitution — Constitution of the United States.
  • federal reserve bank — a U.S. federal banking system that is under the control of a central board of governors (Federal Reserve Board) with a central bank (Federal Reserve Bank) in each of 12 districts and that has wide powers in controlling credit and the flow of money as well as in performing other functions, as regulating and supervising its member banks.
  • federal reserve note — a form of paper money issued by a Federal Reserve Bank.
  • fold-and-thrust belt — a linear or arcuate region of the earth's surface that has been subjected to severe folding and thrust faulting
  • for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
  • forbidden transition — an electronic transition in an atom, molecule, etc, that is not permitted by electric dipole selection rules
  • force someone's hand — to force someone to act
  • force-field analysis — a decision-making technique, often presented graphically, that identifies all the positive and negative forces impinging on a problem
  • fore-and-aft topsail — gaff topsail (def 1).
  • fridtjof nansen land — Franz Josef Land.
  • friends of the earth — an organization of environmentalists and conservationists whose aim is to promote the sustainable use of the earth's resources
  • fundamental constant — a physical constant, such as the gravitational constant or speed of light, that plays a fundamental role in physics and chemistry and usually has an accurately known value
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