21-letter words containing u, l, e, n
- a foregone conclusion — You can refer to something that seems certain to happen as a foregone conclusion.
- 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.
- acquaintance violence — impulsive aggressive behaviour towards someone with whom the attacker has been in contact
- add fuel to something — If something adds fuel to a conflict or debate, or adds fuel to the fire, it makes the conflict or debate more intense.
- 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 fluosilicate — a white, water-soluble powder, Al 2 (SiF 6) 3 , used in the manufacture of optical glass and of synthetic sapphires and rubies.
- 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.
- american red squirrel — either of two reddish-brown squirrels, Tamiasciurus hudsonicus or T. douglasii, inhabiting forests of North America
- analects of confucius — Chinese Lun Yü. a compilation of the discourses, maxims, and aphorisms of Confucius, dating from the 4th century b.c.
- 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.
- antimony pentasulfide — a deep-yellow, water-insoluble powder, Sb 2 S 5 , used chiefly as a pigment in oil and water colors.
- anton van leeuwenhoek — Anton van [ahn-tawn vahn] /ˈɑn tɔn vɑn/ (Show IPA), 1632–1723, Dutch naturalist and microscopist.
- appendicular skeleton — the girdles and skeleton of the limbs
- application executive — (language) (AE) An embeddable language, written as a C interpreter by Brian Bliss at UIUC. AE is compiled with an application and thus exists in the same process and address space. It includes a dbx symbol table scanner to access compiled variables and routines, or you can enter them manually by providing a type/name declaration and the address. When the interpreter is invoked, source code fragments are read from the input stream (or a string), parsed, and evaluated immediately. The user can call compiled functions in addition to a few built-in intrinsics, declare new data types and data objects, etc. Different input streams can be evaluated in parallel on Alliant computers. AE has been ported to SunOS (cc or gcc), Alliant FX and Cray YMP (soon).
- applications language — Ousterhout's dichotomy
- architecture parlante — the architecture of buildings that, in their plans or elevations, create an image that suggests their functions.
- arithmetic logic unit — the part of a central processing unit that performs arithmetic and logical operations
- arithmetic/logic unit — ALU.
- astronomical latitude — the angle between the direction of gravity at the observer's position and the plane of the celestial equator
- athenaeus of attaleia — Greek physician in Rome, fl. a.d. c40–65.
- atomic unit of length — (in the Bohr atom) the radius of the electron orbit having the lowest energy.
- 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
- balance sheet account — A balance sheet account is an account in the chart of accounts that is reported on the balance sheet.
- behavioural contagion — the spread of a particular type of behaviour, such as crying, through a crowd or group of people
- benzalkonium chloride — a white or yellowish-white, water-soluble mixture of ammonium chloride derivatives having the structure C 8 H 10 NRCl, where R is a mixture of radicals ranging from C 8 H 17 – to C 18 H 37 –, that occurs as an amorphous powder or in gelatinous lumps: used chiefly as an antiseptic and a disinfectant.
- benzethonium chloride — a colorless, water-soluble, crystalline solid, ammonium chloride derivative, (C 27 H 42 O 2 N)Cl⋅H 2 O, used chiefly as an antiseptic.
- 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
- bernoulli's principle — the principle that in a liquid flowing through a pipe the pressure difference that accelerates the flow when the bore changes is equal to the product of half the density times the change of the square of the speed, provided friction is negligible
- beyond (all) question — beyond (any) dispute or doubt
- 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
- blow your own trumpet — If you blow your own trumpet or blow your own horn, you tell people that you are very clever or successful.
- bluethroat pikeblenny — See under pikeblenny.
- 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.
- built-in obsolescence — a method of stimulating consumer demand by designing products that wear out or become outmoded after limited use.
- 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.
- burn the midnight oil — to work or study late into the night
- business intelligence — the methods and technologies that gather, store, report, and analyze business data to help people make business decisions: business intelligence software; business intelligence tools.
- businessman's holiday — busman's holiday.
- butterfly common lisp — A parallel version of Common LISP for the BBN Butterfly computer.
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