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25-letter words containing t, r, i

  • constructive interference — the interference of two or more waves of equal frequency and phase, resulting in their mutual reinforcement and producing a single amplitude equal to the sum of the amplitudes of the individual waves.
  • copenhagen interpretation — an interpretation of quantum mechanics developed by Niels Bohr and his colleagues at the University of Copenhagen, based on the concept of wave–particle duality and the idea that the observation influences the result of an experiment
  • copyright deposit library — one of six libraries legally entitled to receive a gratis copy of every book published in the United Kingdom: the British Library, Bodleian, Cambridge University, Trinity College in Dublin, Scottish National Library, and National Library of Wales
  • court of general sessions — a local court with general jurisdiction, both civil and criminal.
  • crater lake national park — a national park in SW Oregon, in the Cascade Range: Crater Lake. 250 sq. mi. (648 sq. km).
  • credit where credit's due — If you say 'credit where credit's due', you are admitting that you ought to praise someone for something that they have done or for a good quality that they possess.
  • creutzfeldt-jakob disease — a fatal slow-developing disease that affects the central nervous system, characterized by mental deterioration and loss of coordination of the limbs. It is thought to be caused by an abnormal prion protein in the brain
  • crown prosecution service — (in England and Wales) an independent prosecuting body, established in 1986, that decides whether cases brought by the police should go to the courts: headed by the Director of Public Prosecutions
  • crude oil degassing plant — A crude oil degassing plant is equipment that removes light ends such as methane and butane from crude oil.
  • crude oil pyrolysis plant — A crude oil pyrolysis plant is equipment used for converting waste and poor fuel to a better product by pyrolysis (= the use of heat to decompose organic material).
  • crude oil splitting tower — A crude oil splitting tower is a vessel into which crude oil enters, at the bottom, and where the different components are obtained by a splitting process, rather than rearranging the molecules.
  • culture specific syndrome — a behavioral disturbance in a specific cultural setting that is identified and named by the cultural group itself.
  • cut a person down to size — to reduce in importance or decrease the conceit of
  • data encryption algorithm — (DEA) An ANSI standard defined in ANSI X3.92-1981. It is identical to the Data Encryption Standard (DES).
  • data processing equipment — Data processing equipment is electrically operated equipment that accumulates, processes, and stores data.
  • dataphone digital service — (communications, product)   (DDS) The first private-line digital service offered by AT&T, with data rates typically at 2.4, 4.8, 9.6 and 56 kilobits per second. DDS is now part of AT&T's Accunet family of services. Most LEC (local exchange carriers) and IXC (IntereXchange Carriers) offer similar services.
  • de mortuis nil nisi bonum — (say) nothing but good of the dead
  • decision support database — A database from which data is extracted and analysed statistically (but not modified) in order to inform business or other decisions. This is in contrast to an operational database which is being continuously updated. For example, a decision support database might provide data to determine the average salary of different types of workers, whereas an operational database containing the same data would be used to calculate pay check amounts. Often, decision support data is extracted from operation databases.
  • declaration of bankruptcy — a formal statement made by a company or individual to announce that they are bankrupt
  • declaration of indulgence — a royal grant during the reigns of Charles II and James II of England giving Nonconformists and Roman Catholics a measure of religious freedom
  • decreasing term insurance — Decreasing term insurance is life insurance with the amount of coverage decreasing over the term of the policy and a lump sum payment if you die in advance.
  • defense trade regulations — (legal)   The U.S. law governening munitions export and defense technology (F-16s, TOW missiles and cryptology). According to the U.S. (and Canada) cryptography is a munition and people who export it can be charged as though they were exporting bombs or state secrets. People have been. See also EFF.
  • defined contribution plan — A defined contribution plan is a type of pension plan that specifies the annual contribution that the employer will pay on behalf of each plan participant.
  • definite relative pronoun — a relative pronoun that refers to an antecedent, as who in It was I who told you.
  • dell computer corporation — (company)   One of the biggest US manufacturers of IBM PC compatibles. "From notebooks to networks", their slogan says.
  • democratic unionist party — a Northern Irish political party, founded by Ian Paisley in 1971, advocating the maintenance of union with the UK
  • department of agriculture — the department of the U.S. federal government that institutes and administers all federal programs dealing with agriculture. Abbreviation: USDA.
  • detective chief inspector — a police officer who investigates crime and who ranks above a detective inspector but below a detective superintendent
  • díaz del castillo, bernal — (bɛʀˈnɑl) ; bernälˈ) 1492?-1581?; Sp. historian & soldier with Cortés
  • diesel-electric generator — A diesel-electric generator is a piece of equipment that uses diesel as a fuel to produce electricity.
  • digital rights management — (legal)   (DRM) Any technology used to limit the use of software, music, movies or other digital data. This generally relies on some interaction between the media and the system that plays it. For example, video DVDs usually include a region code. If this does not match the player's region code, the player will refuse to play the disc.
  • digital signal processing — (DSP) Computer manipulation of analog signals (commonly sound or image) which have been converted to digital form (sampled).
  • diminished responsibility — law: lack of capacity
  • directory access protocol — X.500 protocol used for communication between a Directory User Agent and a Directory System Agent.
  • disappear without a trace — If you say that someone or something disappears without a trace, you mean that they stop existing or stop being successful very suddenly and completely.
  • discrete cosine transform — (mathematics)   (DCT) A technique for expressing a waveform as a weighted sum of cosines. The DCT is central to many kinds of signal processing, especially video compression. Given data A(i), where i is an integer in the range 0 to N-1, the forward DCT (which would be used e.g. by an encoder) is: B(k) = sum A(i) cos((pi k/N) (2 i + 1)/2) i=0 to N-1 B(k) is defined for all values of the frequency-space variable k, but we only care about integer k in the range 0 to N-1. The inverse DCT (which would be used e.g. by a decoder) is: AA(i)= sum B(k) (2-delta(k-0)) cos((pi k/N)(2 i + 1)/2) k=0 to N-1 where delta(k) is the Kronecker delta. The main difference between this and a discrete Fourier transform (DFT) is that the DFT traditionally assumes that the data A(i) is periodically continued with a period of N, whereas the DCT assumes that the data is continued with its mirror image, then periodically continued with a period of 2N. Mathematically, this transform pair is exact, i.e. AA(i) == A(i), resulting in lossless coding; only when some of the coefficients are approximated does compression occur. There exist fast DCT algorithms in analogy to the Fast Fourier Transform.
  • do-it-yourself enthusiast — an enthusiast of the hobby or process of constructing and repairing things by yourself
  • document image processing — (DIP) Storage, management and retrieval of images.
  • domain architecture model — (systems analysis)   A set of software architectures generic to a domain that define organising frameworks for constructing new application designs and implementations within the domain, consistent with the domain requirements model.
  • dopamine receptor agonist — A dopamine receptor agonist is any compound that activates dopamine receptors when dopamine is not present.
  • double taxation agreement — an agreement between two countries that lessens the tax burden on citizens of each country living in the other
  • double wingback formation — an offensive formation in which two backs line up at opposite ends of the backfield about one yard outside of the ends and about one yard behind the line of scrimmage.
  • drive someone up the wall — If you say that something or someone is driving you up the wall, you are emphasizing that they annoy and irritate you.
  • dual tone multi frequency — (communications)   (DTMF, or "touch-tone") A method used by the telephone system to communicate the keys pressed when dialling. Pressing a key on the phone's keypad generates two simultaneous tones, one for the row and one for the column. These are decoded by the exchange to determine which key was pressed.
  • edward trowbridge collins — Edward Trowbridge ("Eddie") 1887–1951, U.S. baseball player.
  • electric submersible pump — An electric submersible pump is a downhole pump which is powered by electricity, and used for lifting fluids.
  • electroconvulsive therapy — the treatment of certain psychotic conditions by passing an electric current through the brain to induce coma or convulsions
  • electromagnetic radiation — radiation consisting of self-sustaining oscillating electric and magnetic fields at right angles to each other and to the direction of propagation. It does not require a supporting medium and travels through empty space at the speed of light
  • electronic funds transfer — (application, communications)   (EFT, EFTS, - system) Transfer of money initiated through electronic terminal, automated teller machine, computer, telephone, or magnetic tape. In the late 1990s, this increasingly includes transfer initiated via the web. The term also applies to credit card and automated bill payments.
  • electronic news gathering — the collecting of a television news story using electronic equipment, such as a portable video camera, rather than a traditional film camera
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