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21-letter words containing t, r, y

  • cultural anthropology — the branch of anthropology dealing with cultural as opposed to biological and racial features
  • dacryocystorhinostomy — A surgical procedure to restore the flow of tears into the nose from the lacrimal sac when the nasolacrimal duct does not function.
  • darby and joan settee — a settee having a back resembling two chair backs.
  • death by misadventure — a possible verdict in a coroner's court, indicating that death was due to an accident not to a crimes or somebody's negligence
  • deep scattering layer — any of the stratified zones in the ocean which reflect sound during echo sounding, usually composed of marine organisms which migrate vertically from c. 250 to 800 m (c. 820 to 2,625 ft)
  • degradation of energy — the principle that during any irreversible process the total energy available to do work decreases.
  • deployment descriptor — (programming)   (DD) A J2EE configuration file.
  • dictionary definition — the meaning of a word as given in a dictionary or dictionaries
  • differential analyzer — an analog computer designed for solving certain differential equations.
  • differential geometry — the branch of mathematics that deals with the application of the principles of differential and integral calculus to the study of curves and surfaces.
  • differential topology — the branch of topology that studies the properties of differentiable manifolds that remain invariant under diffeomorphisms.
  • discretionary account — an account in which the stockbroker is allowed complete control over the purchase and sale of securities on the customer's behalf.
  • disk operating system — DOS.
  • display advertisement — an advertisement designed to attract attention by using devices such as conspicuous or elegant typefaces, graphics, etc
  • disruptive technology — A disruptive technology is a new technology, such as computers and the Internet, which has a rapid and major effect on technologies that existed before.
  • distant early warning — a US radar detection system to warn of missile attack
  • distributive property — Mathematics. the property that terms in an expression may be expanded in a particular way to form an equivalent expression.
  • draft once reuse many — (jargon)   (DORUM) Reusing parts of a document to produce parts of an entirely new document. The term normally refers to text documents but the practise is equally common in programming.
  • eastern daylight time — a time zone applicable to many eastern areas of the United States during the summer months, being a daylight-saving variant of Eastern Standard Time
  • electric flux density — Electric flux density is electric flux passing through a unit area perpendicular to the direction of the flux.
  • electrochromatography — chromatography effected by the influence of an applied electric field
  • electromyographically — By means of, or in terms of, electromyography.
  • electronic typewriter — a keyboard machine for writing electromechanically in characters resembling print
  • electronystagmography — A diagnostic test to record involuntary movements of the eye caused by a condition known as nystagmus. It can also be used to diagnose the cause of vertigo, dizziness or balance dysfunction by testing the vestibular system.
  • empirical probability — a measure or estimate of the degree of confidence one may have in the occurrence of an event, defined as the proportion observed in a sample
  • employee contribution — money contributed by an employee to his or her employer's pension fund
  • employer contribution — money contributed by an employer to his or her employee's pension fund
  • eyes right (or left) — a command to snap the head to the right (or left) while marching, as a salute when passing in review
  • faculty board meeting — a meeting of the governing body of a faculty
  • food standards agency — the full form of FDA
  • forensic anthropology — the branch of physical anthropology in which anthropological data, criteria, and techniques are used to determine the sex, age, genetic population, or parentage of skeletal or biological materials in questions of civil or criminal law.
  • fort lesley j. mcnair — a military reservation in SW Washington, D.C., on the Potomac River, SW of the Capitol.
  • forward compatibility — (jargon)   The ability to accept input from later versions of itself. Forward compatibility is harder to achieve than backward compatibility, since, in the backward case, the input format is know whereas a forward compatible system needs to cope gracefully with unknown future features. An example of future compatibility is the stipulation that a web browser should ignore HTML tags it does not recognise. See also extensible.
  • four-footed butterfly — any of several butterflies of the family Nymphalidae, including the fritillaries, mourning cloaks, anglewings, and commas, characterized by reduced, nonfunctional forelegs.
  • franco-belgian system — French system.
  • free-floating anxiety — chronic anxiety occurring for no identifiable cause
  • fundamental frequency — the lowest frequency at which a medium will freely oscillate.
  • gamma hydroxybutyrate — a substance that occurs naturally in the brain, used medically as a sedative but also as a recreational drug and alleged aphrodisiac: known as 'liquid ecstasy' when mixed with alcohol
  • generic type variable — (programming)   (Also known as a "schematic type variable"). Different occurrences of a generic type variable in a type expression may be instantiated to different types. Thus, in the expression let id x = x in (id True, id 1) id's type is (for all a: a -> a). The universal quantifier "for all a:" means that a is a generic type variable. For the two uses of id, a is instantiated to Bool and Int. Compare this with let id x = x in let f g = (g True, g 1) in f id This looks similar but f has no legal Hindley-Milner type. If we say f :: (a -> b) -> (b, b) this would permit g's type to be any instance of (a -> b) rather than requiring it to be at least as general as (a -> b). Furthermore, it constrains both instances of g to have the same result type whereas they do not. The type variables a and b in the above are implicitly quantified at the top level: f :: for all a: for all b: (a -> b) -> (b, b) so instantiating them (removing the quantifiers) can only be done once, at the top level. To correctly describe the type of f requires that they be locally quantified: f :: ((for all a: a) -> (for all b: b)) -> (c, d) which means that each time g is applied, a and b may be instantiated differently. f's actual argument must have a type at least as general as ((for all a: a) -> (for all b: b)), and may not be some less general instance of this type. Type variables c and d are still implicitly quantified at the top level and, now that g's result type is a generic type variable, any types chosen for c and d are guaranteed to be instances of it. This type for f does not express the fact that b only needs to be at least as general as the types c and d. For example, if c and d were both Bool then any function of type (for all a: a -> Bool) would be a suitable argument to f but it would not match the above type for f.
  • gestalt psychotherapy — a therapy devised in the US in the 1960s in which patients are encouraged to concentrate on the immediate present and to express their true feelings
  • get your just deserts — If you say that someone got their just deserts, you mean that they deserved the unpleasant things that happened to them, because they did something bad.
  • glyceryl tripalmitate — palmitin.
  • go down the wrong way — (of food) to pass into the windpipe instead of the gullet
  • great smoky mountains — the W part of the Appalachians, in W North Carolina and E Tennessee. Highest peak: Clingman's Dome, 2024 m (6642 ft)
  • greek-letter sorority — a sorority whose name consists usually of two or three Greek letters, as Lambda Rho (ΛP).
  • greenwich observatory — the national astronomical observatory of Great Britain, housed in a castle in E Sussex; formerly located at Greenwich.
  • guy lewis steele, jr. — (person)   (GLS) A software engineer whose most notable contributions to the art of computing include the design of Scheme (in cooperation with Gerald Sussman) and the design of the original command set of Emacs. He is also known for his contribution to the Jargon File and for being the first to port TeX (from WAITS to ITS). He wrote the book "Common Lisp", which virtually defines the language. He was working at Sun Microsystems, Inc. from 1996 to the present (June 2001).
  • hay-pauncefote treaty — an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
  • henry steele commager — Henry Steele, 1902–98, U.S. historian, author, and teacher.
  • hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
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