25-letter words containing p, c, e, l, t, i
- accelerated graphics port — (hardware, graphics) (AGP) A bus specification by Intel which gives low-cost 3D graphics cards faster access to main memory on personal computers than the usual PCI bus. AGP dynamically allocates the PC's normal RAM to store the screen image and to support texture mapping, z-buffering and alpha blending. Intel has built AGP into a chipset for its Pentium II microprocessor. AGP cards are slightly longer than a PCI card. AGP operates at 66 MHz, doubled to 133 MHz, compared with PCI's 33 Mhz. AGP allows for efficient use of frame buffer memory, thereby helping 2D graphics performance as well. AGP provides a coherent memory management design which allows scattered data in system memory to be read in rapid bursts. AGP reduces the overall cost of creating high-end graphics subsystems by using existing system memory.
- 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.
- 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]>.
- australopithecus robustus — an extinct species of large-toothed bipedal hominid that lived in southern Africa c1.5–2 million years ago: formerly classified as the genus Paranthropus.
- capability maturity model — (software) (CMM) The Software Engineering Institute's model of software engineering that specifies five levels of maturity of the processes of a software organisation. CMM offers a framework for evolutionary process improvement. Originally applied to software development (SE-CMM), it has been expanded to cover other areas including Human Resources and Software Acquitition. The levels - focii - and key process areas are: Level 1 Initial - Heroes - None. Level 2 Repeatable - Project Management - Software Project Planning, Software Project Tracking and Oversight, Software Subcontract Management, Software Quality Assurance, Software Configuration Management, Requirements Management. Level 3 Defined - Engineering Process - Organisation Process Focus, Organisation Process Definition, Peer Reviews, Training Program, Inter-group Coordination, Software Product Engineering, Integrated Software Management. Level 4 Managed - Product and Process Quality - Software Quality Management, Quantitative Process Management. Level 5 Optimising - Continuous Improvement - Process Change Management, Technology Change Management, Defect Prevention.
- 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.
- chief of naval operations — the highest officer in the U.S. Navy and a member of the Joint Chiefs of Staff.
- child protection register — (in Britain) a confidential list of children who are at continuing risk of physical, emotional, or sexual abuse or neglect
- client to client protocol — (networking) (CTCP) A type of protocol created to allow structured data such as font information to be exchanged between users on IRC. It is also used to send a query to a user. The available CTCP commands include VERSION, FINGER, DCC CHAT, DCC SEND, TIME, PING, ECHO, CLIENTINFO. Some commands are not available on some IRC client software.
- common lisp object system — (language) (CLOS) An object-oriented extension to Common LISP, based on generic functions, multiple inheritance, declarative method combination and a meta-object protocol. A descendant of CommonLoops and based on Symbolics FLAVORS and Xerox LOOPS, among others. See also PCL.
- 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 inference system — (logic) An inference system A is complete with respect to another system B if A can reach every conclusion which is true in B. The dual to completeness is soundness.
- 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.
- 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
- 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).
- 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.
- data encryption algorithm — (DEA) An ANSI standard defined in ANSI X3.92-1981. It is identical to the Data Encryption Standard (DES).
- 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.
- 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.
- department of agriculture — the department of the U.S. federal government that institutes and administers all federal programs dealing with agriculture. Abbreviation: USDA.
- dibasic calcium phosphate — Dibasic calcium phosphate is a white powder or crystalline substance used as a dietary supplement and tableting agent.
- digital signal processing — (DSP) Computer manipulation of analog signals (commonly sound or image) which have been converted to digital form (sampled).
- directory access protocol — X.500 protocol used for communication between a Directory User Agent and a Directory System Agent.
- 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
- 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
- exterior gateway protocol — (EGP) A protocol which distributes routing information to the routers which connect autonomous systems. The term "gateway" is historical, and "router" is currently the preferred term. There is also a routing protocol called EGP defined in STD 18, RFC 904. See also Border Gateway Protocol, Interior Gateway Protocol.
- federal capital territory — former name of Australian Capital Territory.
- fleet chief petty officer — a noncommissioned officer in the Royal Navy comparable in rank to a warrant officer in the British Army or Royal Air Force
- 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
- 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.
- graphic display interface — (hardware) (GDI) graphics adaptor.
- hospitalization insurance — insurance to cover, in whole or in part, the hospital bills of a subscriber or of his or her dependents.
- implicit function theorem — a theorem that gives conditions under which a function written in implicit form can be written in explicit form.
- initial teaching alphabet — a 44 letter phonetic alphabet used mainly in the 1960s for teaching children to read and write
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