21-letter words containing u, l, t, r, a, e
- a rap on the knuckles — If someone in authority gives you a rap on the knuckles, they criticize you or blame you for doing something they think is wrong.
- absolutely convergent — of or characterized by absolute convergence.
- adult training centre — a day centre, run by a local authority, for people with learning difficulties to gain work experience
- agricultural engineer — an engineer who specialises in the design, development, and installation of agricultural and forestry machinery and advises on rural development and the management of natural resources
- air-to-ground missile — a missile fired from an aircraft that has a target on the ground
- alpha centauri system — a star system comprising the binary star Alpha Centauri A and B and Proxima Centauri (also called Alpha Centauri C), which is 0.1 light years closer to the sun. Visual magnitude: 0.01 (A), 1.33 (B); spectral type: G2V (A); distance from earth: 4.3 light years
- aluminum monostearate — a white, water-insoluble powder, Al(OH) 2 C 18 H 35 O 2 , used as a drier in paints and as a thickener in lubricating oils.
- annual change traffic — (software) (ACT) The fraction of the software product's source code which changes during a year, either through addition or modification. The ACT can be used to determine the product size in order to estimate software maintenance effort.
- antenuptial agreement — Law. a contract between two people who are about to marry regarding their respective property and support rights upon termination of the marriage by divorce or death, and sometimes regarding property rights during the marriage.
- appendicular skeleton — the girdles and skeleton of the limbs
- architecture parlante — the architecture of buildings that, in their plans or elevations, create an image that suggests their functions.
- argus tortoise beetle — any of several turtle-shaped leaf beetles, as Chelymorpha cassidea (argus tortoise beetle or milkweed tortoise beetle) which resembles the ladybird beetle and feeds primarily on bindweed and milkweed.
- arithmetic logic unit — the part of a central processing unit that performs arithmetic and logical operations
- arithmetic/logic unit — ALU.
- as dull as ditchwater — extremely uninspiring
- astronomical latitude — the angle between the direction of gravity at the observer's position and the plane of the celestial equator
- atrioventricular node — a small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node by way of the atrioventricular bundles and, under certain conditions, functioning for the sinoatrial node as pacemaker of the heart. Abbreviation: A-V node.
- augustin jean fresnel — Augustin Jean, 1788–1827, French physicist.
- australian cattle dog — a compact strongly-built dog of a breed with pricked ears and a smooth bluish-grey coat, often used for controlling and moving cattle
- behavioural contagion — the spread of a particular type of behaviour, such as crying, through a crowd or group of people
- bernadette of lourdes — Saint. original name Marie Bernarde Soubirous. 1844–79, French peasant girl born in Lourdes, whose visions of the Virgin Mary led to the establishment of Lourdes as a centre of pilgrimage, esp for the sick or crippled. Feast day: Feb 18
- bicameral legislature — two-chamber lawmaking system
- binomial nomenclature — a system for naming plants and animals by means of two Latin names: the first indicating the genus and the second the species to which the organism belongs, as in Panthera leo (the lion)
- blackburn with darwen — a unitary authority in NW England, in Lancashire. Pop: 139 800 (2003 est). Area: 137 sq km (53 sq miles)
- blow one's brains out — to kill oneself by shooting oneself in the head
- bluethroat pikeblenny — See under pikeblenny.
- bottlebrush moustache — a short, bristly moustache
- break the fourth wall — (esp of a character in a television programme, film, or play) to refer to, acknowledge, or address the audience, usually for comedic effect or as an avante-garde technique
- breakthrough bleeding — bleeding from the uterus that occurs between menstrual periods
- british sign language — the main sign language used by deaf people in the United Kingdom
- bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
- buffalo carpet beetle — any of several small beetles of the family Dermestidae, the larvae of which are household pests, feeding on rugs and other woolen fabrics, especially Anthrenus scrophulariae (buffalo carpet beetle) and Attagenus piceus (black carpet beetle)
- bulletin board system — (communications, application) (BBS, bboard /bee'bord/, message board, forum; plural: BBSes) A computer and associated software which typically provides an electronic message database where people can log in and leave messages. Messages are typically split into topic groups similar to the newsgroups on Usenet (which is like a distributed BBS). Any user may submit or read any message in these public areas. The term comes from physical pieces of board on which people can pin messages written on paper for general consumption - a "physical bulletin board". Ward Christensen, the programmer and operator of the first BBS (on-line 1978-02-16) called it a CBBS for "computer bulletin board system". Since the rise of the World-Wide Web, the term has become antiquated, though the concept is more popular than ever, with many websites featuring discussion areas where users can post messages for public consumption. Apart from public message areas, some BBSes provided archives of files, personal electronic mail and other services of interest to the system operator (sysop). Thousands of BBSes around the world were run from amateurs' homes on MS-DOS boxes with a single modem line each. Although BBSes were traditionally the domain of hobbyists, many connected directly to the Internet (accessed via telnet), others were operated by government, educational, and research institutions. Fans of Usenet or the big commercial time-sharing bboards such as CompuServe, CIX and GEnie tended to consider local BBSes the low-rent district of the hacker culture, but they helped connect hackers and users in the personal-micro and let them exchange code. Use of this term for a Usenet newsgroup generally marks one either as a newbie fresh in from the BBS world or as a real old-timer predating Usenet.
- cantilever foundation — a building foundation supporting its load partly or wholly upon cantilevers.
- central european time — the standard time adopted by Western European countries one hour ahead of Greenwich Mean Time, corresponding to British Summer Time
- charles edward stuart — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.
- clayton-bulwer treaty — an agreement between the U.S. and Great Britain in 1850 guaranteeing that any canal built to connect the Atlantic and Pacific across Central America would be jointly controlled, open to all nations, and unfortified.
- column address strobe — (hardware) (CAS) A signal sent from a processor (or memory controller) to a dynamic random-access memory (DRAM) (qv) circuit to indicate that the column address lines are valid.
- comfortably-furnished — containing comfortable furniture
- completing the square — a method, usually of solving quadratic equations, by which a quadratic expression, as x 2 − 4 x + 3, is written as the sum or difference of a perfect square and a constant, x 2 − 4 x + 4 + 3 − 4 = (x − 2) 2 − 1, by addition and subtraction of appropriate constant terms.
- congregational church — any evangelical Protestant Christian Church that is governed according to the principles of Congregationalism. In 1972 the majority of churches in the Congregational Church in England and Wales voted to become part of the United Reformed Church
- constitutional strike — a stoppage of work by the workforce of an organization, with the approval of the trade union concerned, in accordance with the dispute procedure laid down in a collective agreement between the parties
- convertible insurance — any form of life or health insurance, either individual or group, that enables the insured to change or convert the insurance to another form, as term to whole life insurance or group to individual health insurance.
- coordination language — (networking, protocol) A language defined specifically to allow two or more parties (components) to communicate in order to accomplish some shared goal. Examples of coordination languages are Linda and Xerox's CLF (STITCH).
- cosmological argument — one of the arguments that purport to prove the existence of God from empirical facts about the universe, esp the argument to the existence of a first cause
- counter-revolutionary — Counter-revolutionary activities are activities intended to reverse the effects of a previous revolution.
- court of common pleas — (formerly) a superior court exercising jurisdiction in civil actions between private citizens
- credit life insurance — insurance guaranteeing payment of the unpaid portion of a loan if the debtor should die.
- 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.
- dataflow architecture — a means of arranging computer data processing in which operations are governed by the data present and the processing it requires rather than by a prewritten program that awaits data to be processed
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