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20-letter words containing t, r, i, s, c

  • digital service unit — data service unit
  • 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 insurance — insurance providing income to a policyholder who is disabled and cannot work.
  • discretionary income — money for luxuries
  • displacement current — the rate of change, at any point in space, of electric displacement with time.
  • 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 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 court judge — a judge presiding over a lower court
  • district high school — a school in a rural area that includes primary and post-primary classes
  • 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
  • doctor of philosophy — Also called doctorate. the highest degree awarded by a graduate school, usually to a person who has completed at least three years of graduate study and a dissertation approved by a board of professors.
  • ecclesiastical court — a church court in ecclesiastical matters, presided over by members of the clergy and usually having no compulsory jurisdiction.
  • economic determinism — the doctrine that all social, cultural, political, and intellectual forms are determined by or result from such economic factors as the quality of natural resources, productive capability, technological development, or the distribution of wealth.
  • economic rationalism — an economic policy based on the efficiency of market forces, characterized by minimal government intervention, tax cuts, privatization, and deregulation of labour markets
  • effective resistance — the resistance to an alternating current, expressed as the ratio of the power dissipated to the square of the effective current.
  • 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.
  • electromotive series — a series of the metals, together with hydrogen, ranged in the order of their electrode potentials
  • electronic signature — electronic proof of a person's identity
  • electrophysiological — Of or pertaining to electrophysiology.
  • entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
  • equilibrium constant — The equilibrium constant is the ratio between the amount of reactants and the amount of product for a particular chemical reaction, used to calculate chemical behavior.
  • erythema infectiosum — a mild infectious disease of childhood, caused by a virus, characterized by fever and a red rash spreading from the cheeks to the limbs and trunk
  • exclusive or circuit — a computer logic circuit having two or more input wires and one output wire and giving a high-voltage output signal if a low-voltage signal is fed to one or more, but not all, of the input wires
  • exercise, left as an — Used to complete a proof in technical books when one doesn't mind a handwave, or to avoid one entirely. The complete phrase is: "The proof [or "the rest"] is left as an exercise for the reader." This comment *has* occasionally been attached to unsolved research problems by authors possessed of either an evil sense of humour or a vast faith in the capabilities of their audiences.
  • explicit parallelism — A feature of a programming language for a parallel processing system which allows or forces the programmer to annotate his program to indicate which parts should be executed as independent parallel tasks. This is obviously more work for the programmer than a system with implicit parallelism (where the system decides automatically which parts to run in parallel) but may allow higher performance.
  • feather in one's cap — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
  • federal constitution — Constitution of the United States.
  • file descriptor leak — (programming)   (Or "fd leak" /F D leek/) A kind of programming bug analogous to a core leak, in which a program fails to close file descriptors ("fd"s) after file operations are completed, and thus eventually runs out of them. See leak.
  • financial instrument — A financial instrument is a document or contract that can be traded in a market, that represents an asset to one party and a liability or equity to the other.
  • firearms certificate — a certificate that entitles the holder to own and keep a firearm
  • first earl of cromer — 1st Earl of, Evelyn Baring.
  • first-cause argument — an argument for the existence of God, asserting the necessity of an uncaused cause of all subsequent series of causes, on the assumption that an infinite regress is impossible.
  • fission-track dating — the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
  • for sb's consumption — If you do or say something for a particular person's or group's consumption, you do or say it especially for them, although your private thoughts or plans may be very different.
  • for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
  • frosting on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.
  • generative semantics — a theory of generative grammar holding that the deep structure of a sentence is equivalent to its semantic representation, from which the surface structure can then be derived using only one set of rules that relate underlying meaning and surface form rather than separate sets of semantic and syntactic rules.
  • go like the clappers — to move extremely fast
  • good driver discount — A good driver discount is a discount on insurance that is available to drivers who have no at-fault accidents and no traffic offenses during a particular period.
  • graphics accelerator — (graphics, hardware)   Hardware (often an extra circuit board) to perform tasks such as plotting lines and surfaces in two or three dimensions, filling, shading and hidden line removal.
  • gravimetric analysis — analysis by weight.
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