25-letter words containing a, c, e, p, t, n
- advanced intelligent tape — (storage) (AIT) A form of magnetic tape and drive using AME developed by Sony for storing large amounts of data. An AIT can store over 50 gigabytes and transfer data at six megabytes/second (in February 1999). AIT features high speed file access, long head and media life, the ALDC compression algorithm, and a MIC chip.
- advanced power management — (hardware) (APM) A feature of some displays, usually but not always, on laptop computers, which turns off power to the display after a preset period of inactivity to conserve electrical power. Monitors with this capability are usually refered to as "green monitors", meaning environmentally friendly. Not to be confused with a screen blanker which is software that causes the display to go black (by setting every pixel to black) to prevent burn-in.
- alpha-adrenergic receptor — a site on a cell that, upon interaction with epinephrine or norepinephrine, controls vasoconstriction, intestinal relaxation, pupil dilation, and other physiological processes.
- alpha-particle scattering — Rutherford scattering.
- american pit bull terrier — one of an American breed of strong, muscular terriers, originally developed in England, with a short, close-lying, stiff coat of any color or combination of colors except solid white.
- antixerophthalmic vitamin — vitamin A.
- appletalk filing protocol — (networking) (AFP) A client/server protocol used in AppleTalk communications networks. In order for non-Apple networks to access data in an AppleShare server, their protocols must translate into the AFP language. See also: Columbia AppleTalk Package.
- association of lisp users — (body) (ALU) A user group which aims to promote Lisp, help inform and educate Lisp users in general, and help represent Lisp users as a group to the vendors. The ALU holds an annual conference and supports the formation of inter-vendor standards. ALU has international membership and is incorporated in the US. Mailing list: <[email protected]>.
- at the top of one's voice — If you say something at the top of your voice, you say it very loudly.
- automatic data processing — ADP.
- catholic emancipation act — an act of Parliament (1829) permitting Roman Catholics to hold parliamentary office and repealing other laws that imposed civil disabilities on Catholics.
- characteristic polynomial — an expression obtained from a given matrix by taking the determinant of the difference between the matrix and an arbitrary variable times the identity matrix.
- cheyne-stokes respiration — respiration characterized by cycles of deep, rapid breathing and weak, slow breathing, as in cases of heart failure or coma
- chief of naval operations — the highest officer in the U.S. Navy and a member of the Joint Chiefs of Staff.
- command control processor — (operating system) (CCP) CP/M's command-line interpreter.
- compensated semiconductor — a semiconductor in which donors and acceptors are related in such a way that their opposing electrical effects are partially cancelled
- complementarity principle — the principle that experiments on physical systems of atomic size or smaller, as electrons or photons, can exhibit either particle or wave behavior but not both simultaneously.
- complete partial ordering — (theory) (cpo) A partial ordering of a set under a relation, where all directed subsets have a least upper bound. A cpo is usually defined to include a least element, bottom (David Schmidt calls this a pointed cpo). A cpo which is algebraic and boundedly complete is a (Scott) domain.
- computer-aided publishing — desktop publishing. Abbreviation: CAP.
- constant applicative form — (functional programming) (CAF) A supercombinator which is not a lambda abstraction. This includes truly constant expressions such as 12, (+ 1 2), [1, 2, 3] as well as partially applied functions such as (+ 4). Note that this last example is equivalent under eta abstraction to \ x . + 4 x which is not a CAF. Since a CAF is a supercombinator, it contains no free variables. Moreover, since it is not a lambda abstraction it contains no variables at all. It may however contain identifiers which refer to other CAFs, e.g. c 3 where c = (* 2). A CAF can always be lifted to the top level of the program. It can either be compiled to a piece of graph which will be shared by all uses or to some shared code which will overwrite itself with some graph the first time it is evaluated. A CAF such as ints = from 1 where from n = n : from (n+1) can grow without bound but may only be accessible from within the code of one or more functions. In order for the garbage collector to be able to reclaim such structures, we associate with each function a list of the CAFs to which it refers. When garbage collecting a reference to the function we collect the CAFs on its list.
- 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
- crater lake national park — a national park in SW Oregon, in the Cascade Range: Crater Lake. 250 sq. mi. (648 sq. km).
- 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).
- 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.
- 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
- 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.
- 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.
- device independent bitmap — (graphics, file format) (DIB) An image format in which the sequence and depth of pixels in the file is not specifically related to their layout in any particular device. This allows any device dependent bitmap (DDB) image to be converted to or DIB format without loss of information, and this can then later be converted to other DDB formats for, e.g., printing or display. Rather than requiring converters from each DDB format to all other formats, only converters to and from DIB are needed. DIB images are normally transferred in metafiles, bmp files, and the clipboard. Transferring colour bitmaps from one device to another was not possible in versions of Microsoft Windows earlier than 3.0. Application programs can build DIB images without any interaction with Windows. If Windows lacks a drawing primitive, the application can simulate it directly into the DIB instead of using the existing graphics device interface (GDI) primitives. Unfortunately, under Windows versions 3.0 and 3.1, GDI cannot perform output operations directly to a DIB. Conversion between DIB and DDB is performed by the device driver. Where the driver does not have this facility, the conversion is performed by GDI but only in monochrome. DIBs are slower to use than device dependent bitmaps due to the conversions required.
- digital signal processing — (DSP) Computer manipulation of analog signals (commonly sound or image) which have been converted to digital form (sampled).
- document image processing — (DIP) Storage, management and retrieval of images.
- dopamine receptor agonist — A dopamine receptor agonist is any compound that activates dopamine receptors when dopamine is not present.
- eastern aden protectorate — a former British protectorate, now the E part of the People's Democratic Republic of Yemen: composed of the Arab sheikdoms of Hadhramaut and the island of Socotra.
- electroconvulsive therapy — the treatment of certain psychotic conditions by passing an electric current through the brain to induce coma or convulsions
- emancipation proclamation — a proclamation issued by President Lincoln in September, 1862, effective January 1, 1863, freeing the slaves in all territory still at war with the Union
- enhanced graphics adapter — (graphics, hardware) (EGA) An IBM PC display standard with a resolution of 640 x 350 pixels of 16 colours.
- european court of justice — law: international court
- first generation computer — (architecture) A prototype computer based on vacuum tubes and other esoteric technologies. Chronologically, any computer designed before the mid-1950s. Examples include Howard Aiken's Mark 1 (1944), Maunchly and Eckert's ENIAC (1946), and the IAS computer.
- five nations championship — a former annual competition involving the national sides of England, France, Ireland, Scotland, and Wales; replaced by the Six Nations Championship in 2000
- flexible spending account — an account to which an employee contributes a portion of earnings to pay for certain expenses such as medical and dependent care: contributions are exempt from payroll taxes. Abbreviation: FSA.
- free central placentation — a type of placenta structure in an ovary, in which the ovules cluster freely around a columnlike central placenta which is attached at the base of the ovary
- free open-source software — free software
- functional representation — representation in a governing body on the basis of social class or occupation.
- genealogical relationship — the relationship that exists between languages that have developed from a single earlier language.
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