20-letter words containing a, c, n, d, u
- a drop in the bucket — an amount very small in relation to what is needed or desired
- a shoulder to cry on — If someone offers you a shoulder to cry on or is a shoulder to cry on, they listen sympathetically as you talk about your troubles.
- accommodation bureau — a business that finds accommodation for its clients
- accounting standards — a set of standard rules that accountancy companies are obliged to follow
- acorn computers ltd. — (company) A UK computer manufacturer, part of the Acorn Computer Group plc. Acorn was founded on 1978-12-05, on a kitchen table in a back room. Their first creation was an electronic slot machine. After the Acorn System 1, 2 and 3, Acorn launched the first commercial microcomputer - the ATOM in March 1980. In April 1981, Acorn won a contract from the BBC to provide the PROTON. In January 1982 Acorn launched the BBC Microcomputer System. At one time, 70% of microcomputers bought for UK schools were BBC Micros. The Acorn Computer Group went public on the Unlisted Securities Market in September 1983. In April 1984 Acorn won the Queen's Award for Technology for the BBC Micro and in September 1985 Olivetti took a controlling interest in Acorn. The Master 128 Series computers were launched in January 1986 and the BBC Domesday System in November 1986. In 1983 Acorn began to design the Acorn RISC Machine (ARM), the first low-cost, high volume RISC processor chip (later renamed the Advanced RISC Machine). In June 1987 they launched the Archimedes range - the first 32-bit RISC based microcomputers - which sold for under UKP 1000. In February 1989 the R140 was launched. This was the first Unix workstation under UKP 4000. In May 1989 the A3000 (the new BBC Microcomputer) was launched. In 1990 Acorn formed Advanced RISC Machines Ltd. (ARM) in partnership with Apple Computer, Inc. and VLSI to develop the ARM processor. Acorn has continued to develop RISC based products. With 1992 revenues of 48.2 million pounds, Acorn Computers was the premier supplier of Information Technology products to UK education and had been the leading provider of 32-bit RISC based personal computers since 1987. Acorn finally folded in the late 1990s. Their operating system, RISC OS was further developed by a consortium of suppliers.
- adirondack mountains — a mountain range in NE New York State. Highest peak: Mount Marcy, 1629 m (5344 ft)
- administrative court — a court that specializes in dealing with cases relating to the way in which government bodies exercise their powers
- air-raid precautions — measures taken to protect the public from air-raid attacks
- angular displacement — the angle through which a point, line, or body is rotated about a specific axis in a given direction
- antidiuretic hormone — vasopressin. Abbreviation: ADH.
- appalachian dulcimer — dulcimer (def 2).
- asexual reproduction — reproduction, as budding, fission, or spore formation, not involving the union of gametes.
- assessment procedure — an established method of assessing students or workers
- background radiation — low-intensity radiation from, for example, small amounts of radioisotopes in soil, air, building materials, etc
- basic encoding rules — (protocol, standard) (BER) ASN.1 encoding rules for producing self-identifying and self-delimiting transfer syntax for data structures described in ASN.1 notations. BER is an self-identifying and self-delimiting encoding scheme, which means that each data value can be identified, extracted and decoded individually. Huw Rogers once described BER as "a triumph of bloated theory over clean implementation". He also criticises it as designed around bitstreams with arbitrary boundaries between data which can only be determined at a high level. Documents: ITU-T X.690, ISO 8825-1. See also CER, DER, PER.
- benzenesulfonic acid — a fine, needlelike substance, C 6 H 6 SO 3 , used chiefly as a catalyst and in the synthesis of phenol, resorcinol, and other organic products.
- bernard of clairvaux — Saint. ?1090–1153, French abbot and theologian, who founded the stricter branch of the Cistercians in 1115
- black lung (disease) — a disease of the lungs caused by the inhalation of coal dust; anthracosis
- blue screen of death — (humour) (BSOD) The infamous white-on-blue text screen which appears when Microsoft Windows crashes. BSOD is mostly seen on the 16-bit systems such as Windows 3.1, but also on Windows 95 and apparently even under Windows NT 4. It is most likely to be caused by a GPF, although Windows 95 can do it if you've removed a required CD-ROM from the drive. It is often impossible to recover cleanly from a BSOD. The acronym BSOD is sometimes used as a verb, e.g. "Windoze just keeps BSODing on me today".
- bolometric magnitude — the magnitude of a star derived either from the total energy that it radiates at all wavelengths or from the total energy of those of its wavelengths that are received on earth.
- broadcast journalism — journalism as practiced in radio and television.
- california barracuda — a small, slender barracuda, Sphyraena argentea, of coastal seas from Alaska to Baja California, valued as a food fish.
- carbocyclic compound — any of a group of organic chemical compounds in which all the atoms composing the ring are carbon atoms, as benzene or cyclopropane.
- card up one's sleeve — a plan or resource kept secret or held in reserve
- casing head pressure — The casing head pressure is the pressure on the casing, which is measured at the wellhead.
- certified accountant — (in Britain) a member of the Chartered Association of Certified Accountants, who is authorized to audit company accounts
- chartered accountant — (in Britain) an accountant who has passed the professional examinations of the Institute of Chartered Accountants in England and Wales, the Institute of Chartered Accountants of Scotland, or the Institute of Chartered Accountants in Ireland
- chauffeur-driven car — a car driven by a chauffeur
- child support agency — the British government agency concerned with the welfare of children
- codex juris canonici — the official code of canon law in force in the Roman Catholic Church; introduced in 1918 and revised in 1983
- college of education — a professional training college for teachers
- colloidal suspension — a mixture having particles of one component, with diameters between 10 −7 and 10 −9 metres, suspended in a continuous phase of another component. The mixture has properties between those of a solution and a fine suspension
- comparative judgment — any judgment about whether there is a difference between two or more stimuli
- complaints procedure — a prescribed method of lodging a complaint to an institution
- computing dictionary — Free On-line Dictionary of Computing
- condensation nucleus — nucleus (def 5).
- conductive education — an educational system, developed in Hungary by András Petö, in which teachers (conductors) teach children and adults with motor disorders to function independently, by guiding them to attain their own goals in their own way
- conservative judaism — a movement reacting against the radicalism of Reform Judaism, rejecting extreme change and advocating moderate relaxations of traditional Jewish law, by an extension of the process by which its adherents claim traditional Orthodox Judaism evolved
- constant de rebecque — Henri Benjamin [ahn-ree ban-zha-man] /ɑ̃ˈri bɛ̃ ʒaˈmɛ̃/ (Show IPA), (Benjamin Constant) 1767–1830, French statesman and author, born in Switzerland.
- continuing education — Continuing education is education for adults in a variety of subjects, most of which are practical, not academic.
- continuing-education — adult education.
- contradistinguishing — Present participle of contradistinguish.
- controlled substance — a drug regulated by the Federal Controlled Substances Acts, including opiates, depressants, stimulants, and hallucinogens
- copulative asyndeton — a staccato effect produced by omitting copulative connectives between two or more items in a group, as in “Friends, Romans, countrymen.”.
- counterdemonstration — a demonstration that is held in reaction to another demonstration
- crime and punishment — a novel (1866) by Feodor Dostoevsky.
- crude oil evaluation — Crude oil evaluation is the process of assessing the chemical and physical properties of crude oil, against particular standards.
- cut the gordian knot — to find a quick, bold solution for a perplexing problem
- cycloidal propulsion — propulsion of a vessel by propellers of controllable pitch that steer as well as propel.
- declarative language — (language) Any relational language or functional language. These kinds of programming language describe relationships between variables in terms of functions or inference rules, and the language executor (interpreter or compiler) applies some fixed algorithm to these relations to produce a result. Declarative languages contrast with imperative languages which specify explicit manipulation of the computer's internal state; or procedural languages which specify an explicit sequence of steps to follow. The most common examples of declarative languages are logic programming languages such as Prolog and functional languages like Haskell. See also production system.
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