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22-letter words containing a, c, e, t, y

  • dicyclopentadienyliron — ferrocene (def 1).
  • diethylbarbituric acid — barbital
  • digital control system — (systems)   (DCS) A digital computer used for real-time control of a dynamic system, usually in an industrial environment, possibly as part of a Supervisory Control and Data Acquisition (SCADA) system. A DCS samples feedback from the system under control and modifies the control signals in an attempt to achieve some desired behaviour. Analysis of such digital-analogue feedback systems can involve mathematical methods such as difference equations, Laplace transforms, z transfer functions, state space models and state transition matrices.
  • directed acyclic graph — (DAG) A directed graph containing no cycles. This means that if there is a route from node A to node B then there is no way back.
  • directory system agent — (DSA) The software that provides the X.500 Directory Service for a portion of the directory information base. Generally, each DSA is responsible for the directory information for a single organisation or organisational unit.
  • disciplinary committee — a committee charged with examining alleged breaches of discipline within an organization, profession, etc and adjudicating on them
  • dyadic systems limited — Dyalog Limited
  • east african community — an association established in 1967 by Kenya, Uganda, and Tanzania to promote closer economic and social ties between member states: dissolved in 1977, but reformed in 1999, and joined in 2007 by Burundi and Rwanda
  • ecclesiastical society — (in Congregational churches) a legal corporation with power to sue and be sued and to administer all of the temporalities of the church.
  • ectotrophic mycorrhiza — a type of mycorrhiza, typical of temperate and Boreal trees, in which the fungus forms a layer on the outside of the roots of the plant
  • educational psychology — a branch of psychology concerned with developing effective educational techniques and dealing with psychological problems in schools.
  • educational technology — the use of technology, such as computers, within education, to aid the learning process
  • electroencephalography — The measurement of electrical activity in different parts of the brain and the recording of such activity as a visual trace (on paper or on an oscilloscope screen).
  • electrolytic capacitor — An electrolytic capacitor is an electrical capacitor with an electrolyte between the two plates.
  • electrophysiologically — In an electrophysiological way.
  • employers' association — a body of employers, usually from the same sector of the economy, associated to further the interests of member companies by conducting negotiations with trade unions, providing advice, making representations to other bodies, etc
  • endotrophic mycorrhiza — the most widespread and common type of mycorrhiza, in which the fungus lives within the cells of the roots of the plant
  • every now and then etc — You use every in the expressions every now and then, every now and again, every once in a while, and every so often in order to indicate that something happens occasionally.
  • fetal alcohol syndrome — a pattern of birth defects caused by maternal consumption of alcohol during pregnancy: considered as one of the fetal alcohol spectrum disorders. Abbreviation: FAS.
  • frictional electricity — static electricity generated by friction
  • genitourinary medicine — the branch of medical science concerned with the study and treatment of diseases of the genital and urinary organs, esp sexually transmitted diseases
  • highway contract route — a route for carrying mail over the highway between designated points, given on contract to a private carrier and often requiring, in rural areas, delivery to home mailboxes. Abbreviation: HCR.
  • hypothetical syllogism — a hypothetical syllogism has two uses. In propositional logic it expresses one of the rules of inference, while in the history of logic, it is a short-hand for the theory of consequence
  • industrial archaeology — the study of past industrial machines, works, etc
  • industrialized country — a country characterized by industry on an extensive scale
  • information technology — the development, implementation, and maintenance of computer hardware and software systems to organize and communicate information electronically. Abbreviation: IT.
  • intermediate frequency — the middle frequency in a superheterodyne receiver, at which most of the amplification takes place. Abbreviation: if.
  • java community process — (project)   (JCP) An organization controlled by Sun Microsystems to further the growth of the Java language and runtime. The JCP produces standards called Java Standard Requests, which are "requests" in the same sense as RFCs.
  • ketamine hydrochloride — a powerful anesthetic, C13H16ClNO·HCl, used in surgery
  • kinetic theory of heat — a theory that the temperature of a body is determined by the average kinetic energy of its particles and that an inflow of heat increases this energy.
  • law enforcement agency — an organization responsible for enforcing the law, such as a police or sheriff department
  • liberal democrat party — The Liberal Democrat Party is the third largest political party in Britain and the main centre party. It believes in improving the constitution and the voting system and in providing good welfare services.
  • limited access highway — expressway
  • management consultancy — a company of professionals who are employed to help an organization improve efficiency and performance
  • metasyntactic variable — (grammar)   Strictly, a variable used in metasyntax, but often used for any name used in examples and understood to stand for whatever thing is under discussion, or any random member of a class of things under discussion. The word foo is the canonical example. To avoid confusion, hackers never (well, hardly ever) use "foo" or other words like it as permanent names for anything. In filenames, a common convention is that any filename beginning with a metasyntactic-variable name is a scratch file that may be deleted at any time. To some extent, the list of one's preferred metasyntactic variables is a cultural signature. They occur both in series (used for related groups of variables or objects) and as singletons. Here are a few common signatures: bazola, ztesch: Stanford (from mid-'70s on). zxc, spqr, wombat: Cambridge University (England). shme: Berkeley, GeoWorks, Ingres. Pronounced /shme/ with a short /e/. blarg, wibble: New Zealand Of all these, only "foo" and "bar" are universal (and baz nearly so). The compounds foobar and "foobaz" also enjoy very wide currency. Some jargon terms are also used as metasyntactic names; barf and mumble, for example. See also Commonwealth Hackish for discussion of numerous metasyntactic variables found in Great Britain and the Commonwealth.
  • microwave spectroscopy — the determination of those frequencies of the microwave spectrum that are selectively absorbed by certain materials, providing information about atomic, molecular, and crystalline structure.
  • mother carey's chicken — any of various small petrels, especially the stormy petrel, Oceanites oceanicus.
  • motorcycle combination — a motorcycle with a sidecar attached
  • myalgic encephalopathy — a condition characterized by painful muscles, extreme fatigue, and general debility, sometimes occurring as a sequel to viral illness
  • nickel-cadmium battery — a storage battery, with an alkaline electrolyte, having nickel oxide as the positive element and cadmium as the negative.
  • nodal switching system — (NSS) Main routing nodes in the NSFnet backbone.
  • non-euclidean geometry — geometry based upon one or more postulates that differ from those of Euclid, especially from the postulate that only one line may be drawn through a given point parallel to a given line.
  • northern redbelly dace — any of the small, brightly colored North American freshwater cyprinids, especially Phoxinus oreas (northern redbelly dace) and P. erythrogaster (southern redbelly dace)
  • oak processionary moth — a moth, (Thaumetopoea processionea), of the family Thaumetopoeidae, the larvae of which leave the communal shelter nightly for food in a V-shaped procession
  • obtaining by deception — the offence of dishonestly obtaining the property of another by some deception or misrepresentation of facts
  • overstay one's welcome — to stay (at a party, on a visit, etc), longer than pleases the host or hostess
  • parliamentary election — an election to select the members of a national parliament
  • pay dearly/cost dearly — If you pay dearly for doing something or if it costs you dearly, you suffer a lot as a result.
  • picture of dorian gray — a novel (1891) by Oscar Wilde.
  • play one's cards right — a usually rectangular piece of stiff paper, thin pasteboard, or plastic for various uses, as to write information on or printed as a means of identifying the holder: a 3″ × 5″ file card; a membership card.
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