25-letter words containing a, e, p, y, o, r
- aristophanes of byzantium — 257?–180? b.c, Greek scholar; librarian at Alexandria, Egypt.
- automated grouping system — (tool, mathematics) (AUTOGRP) An interactive statistical analysis system, an extension of CML.
- by the seat of your pants — If you fly by the seat of your pants or do something by the seat of your pants, you use your instincts to tell you what to do in a new or difficult situation rather than following a plan or relying on equipment.
- 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.
- 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
- 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.
- 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
- 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).
- data encryption algorithm — (DEA) An ANSI standard defined in ANSI X3.92-1981. It is identical to the Data Encryption Standard (DES).
- declaration of bankruptcy — a formal statement made by a company or individual to announce that they are bankrupt
- democratic unionist party — a Northern Irish political party, founded by Ian Paisley in 1971, advocating the maintenance of union with the UK
- directory access protocol — X.500 protocol used for communication between a Directory User Agent and a Directory System Agent.
- electroconvulsive therapy — the treatment of certain psychotic conditions by passing an electric current through the brain to induce coma or convulsions
- entity-relationship model — (database, specification) An approach to data modelling proposed by P. Chen in 1976. The model says that you divide your database in two logical parts, entities (e.g. "customer", "product") and relations ("buys", "pays for"). One of the first activities in specifying an application is defining the entities involved and their relationships, e.g. using an entity-relationship diagram to represent a model.
- expanding universe theory — the theory, developed from the observed red shifts of celestial bodies, that the space between galaxies is expanding, so that they appear to recede from us at velocities that increase with their distance
- exploratory data analysis — (EDA)
- 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.
- hoist by one's own petard — an explosive device formerly used in warfare to blow in a door or gate, form a breach in a wall, etc.
- improved mercury autocode — (language) (IMP) A version of Autocode used to program the Edinburgh Multi Access System (EMAS), one of the first operating systems written in a high-level language, apparently predating Unix. Luis Damas' Prolog interpreter in IMP for EMAS led to C-Prolog.
- interior gateway protocol — (IGP) An Internet protocol which distributes routing information to the routers within an autonomous system. The term "gateway" is historical, "router" is currently the preferred term. See also Exterior Gateway Protocol, Open Shortest Path First, Routing Information Protocol.
- japanese flowering cherry — any of various ornamental hybrid cherry trees developed in Japan, having white or pink blossoms and inedible fruit.
- metal-free phthalocyanine — phthalocyanine (def 1).
- mount kenya national park — a national park in Kenya, located in the regions of Mount Kenya that are above 3200 m (10 500 ft); now a UNESCO World Heritage Site, the park covers 1420 sq km (548 sq miles)
- national portrait gallery — an art gallery in London, established in 1856, displaying portraits and photographs of eminent figures in British history
- oxidative phosphorylation — the aerobic synthesis, coupled to electron transport, of ATP from phosphate and ADP.
- peripheral nervous system — the portion of the nervous system lying outside the brain and spinal cord.
- personal injury insurance — Personal injury insurance is coverage for treatment of injuries to car accident victims, including loss of work income, accidental death, and funeral expenses.
- petropavlovsk-kamchatskiy — seaport in E Asian Russia, on Kamchatka Peninsula: pop. 210,000
- please clean my room sign — A please clean my room sign is a sign that a guest in a hotel hangs outside their room to tell the cleaner the room is available for cleaning.
- polycystic ovary syndrome — a hormonal disorder in which the Graafian follicles in the ovary fail to develop completely so that they are unable to ovulate, remaining as multiple cysts that distend the ovary. The results can include reduced fertility, obesity, and hirsutism
- polymerase chain reaction — a technique in which a known DNA sequence is synthesized at high temperatures by means of a polymerase, producing millions of copies for statistical analysis: used in DNA fingerprinting, in detecting minute quantities of cancer cells, etc.
- polynomial-time algorithm — (complexity) A known algorithm (or Turing Machine) that is guaranteed to terminate within a number of steps which is a polynomial function of the size of the problem. See also computational complexity, exponential time, nondeterministic polynomial-time (NP), NP-complete.
- preferred ordinary shares — shares issued by a company that rank between preference shares and ordinary shares in the payment of dividends
- prices and incomes policy — voluntary or statutory regulation of the level of increases in prices and incomes
- primary domain controller — (networking) (PDC) Each Windows NT domain has a Primary Domain Controller and zero or more Backup Domain Controllers. The PDC holds the SAM database and authenticates access requests from workstations and servers in the domain.
- primary management domain — (messaging) (PRMD) The component of an X.400 electronic mail address that gives the organisation name, usually abbreviated to p= in written addresses. See also ADMD.
- progressive federal party — a political party, formed in 1977 by a merger between the Progressive Party and members of the United Party, supporting qualified franchise for all South Africans irrespective of race, colour, or creed; merged with other parties in 1989 to form the Democratic Party
- property damage insurance — insurance against losses arising from damage to the property of others, as in a motor-vehicle accident.
- psychiatric social worker — (in Britain) a qualified person who works with mentally-ill people and their families, based in a psychiatric hospital, child guidance clinic, or social services department area team, and who may also be an approved social worker
- really simple syndication — Rich Site Summary
- run-time type information — (compiler) (RTTI) Facilities included in C++ compilers to allow the type of an object to be determined at run time. This facility, found in good C++ compilers and some other high level languages, adds type information to memory resident objects (i.e. type name or unique type-id). This allows the run-time system to determine if an object is of a specific type, for example, to ensure that a cast of an object is valid.
- sympathetic introspection — a study of human conduct in which the investigator imagines himself or herself engaged in that conduct.
- the politically incorrect — politically incorrect people considered collectively
- the trash heap of history — a figurative or imaginative place where forgotten things or people go
- thermodynamic temperature — temperature defined in terms of the laws of thermodynamics and not in terms of the properties of any real material. It is usually expressed on the Kelvin scale
- thin-layer chromatography — chromatography in which glass plates coated with thin layers of alumina, silica gel, or cellulose are used as an adsorbent.
- to try someone's patience — If someone tries your patience or tests your patience, they annoy you so much that it is very difficult for you to stay calm.
- transcendental-philosophy — transcendental character, thought, or language.
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