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21-letter words containing t, o, y, n

  • correctional facility — A correctional facility is a prison or similar institution.
  • correspondence theory — the theory of truth that a statement is rendered true by the existence of a fact with corresponding elements and a similar structure.
  • cost-benefit analysis — an analysis that takes into account the costs of a project and its benefits to society, as well as the revenue it generates
  • cottony-cushion scale — a small scale insect, Icerya purchasi, that is a pest of citrus trees in California: it is controlled by introducing an Australian ladybird, Rodolia cardinalis, into affected areas
  • countably compact set — a set for which every cover consisting of a countable number of sets has a subcover consisting of a finite number of sets.
  • counter-revolutionary — Counter-revolutionary activities are activities intended to reverse the effects of a previous revolution.
  • crude oil dehydration — Crude oil dehydration is the removal of water or water vapor from crude oil, by separating the oil from the water, often in a rotating centrifuge.
  • cultural anthropology — the branch of anthropology dealing with cultural as opposed to biological and racial features
  • cyclical unemployment — unemployment caused by fluctuations in the level of economic activity inherent in trade cycles
  • 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.
  • 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.
  • designated employment — (in Britain) any of certain kinds of jobs reserved for handicapped workers under the Disabled Persons (Employment) Act 1944
  • developmental biology — the study of the development of multicellular organisms, including the study of the earliest stages of embryonic structure and tissue differentiation
  • dictionary definition — the meaning of a word as given in a dictionary or dictionaries
  • 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.
  • 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.
  • downhole safety valve — A downhole safety valve is a piece of safety equipment used inside a well, which isolates wellbore pressure and fluid if something bad happens.
  • 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.
  • educational sociology — the application of sociological principles and methods to the solution of problems in an educational system.
  • 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.
  • 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
  • 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.
  • franco-belgian system — French system.
  • free-floating anxiety — chronic anxiety occurring for no identifiable cause
  • functional dependency — (database)   Given a relation R (in a relational database), attribute Y of R is functionally dependent on attribute X of R and X of R functionally determines Y of R (in symbols R.X -> R.Y) if and only if each X in R has associated with it precisely one Y in R (at any one time). Attributes X and Y may be composite. This is very close to a function in the mathematical sense.
  • 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)
  • greenwich observatory — the national astronomical observatory of Great Britain, housed in a castle in E Sussex; formerly located at Greenwich.
  • 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.
  • homogeneous catalysis — Homogeneous catalysis is catalysis in which the catalyst takes part in the reaction that it increases.
  • host command facility — (operating system)   (HCF) Used to access IBM S/36 and AS/400 computers from a mainframe.
  • humanistic psychology — an approach to psychology that emphasizes emotions and the better understanding of the self in terms of observation of oneself and one's relations with others
  • hyperkinetic disorder — another name for attention deficit hyperactivity disorder (ADHD)
  • hyperlipoproteinaemia — the condition of having an abnormally high level of lipoproteins in the blood
  • hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
  • immunohistochemically — By means of or in regard to immunohistochemistry.
  • in more ways than one — You say in more ways than one to indicate that what you have said is intended to have more than one meaning.
  • induced radioactivity — artificial radioactivity.
  • induction loop system — a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid
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