20-letter words containing a, d, r, e, n
- a drop in the bucket — an amount very small in relation to what is needed or desired
- a lick and a promise — something hastily done, esp a hurried wash
- a safe pair of hands — If you say that someone is or has a safe pair of hands, you mean that they are reliable and will not make any serious mistakes.
- 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.
- absolute undertaking — a legally binding promise to do something that is not restricted or qualified in any way
- accommodation bureau — a business that finds accommodation for its clients
- accommodation ladder — a flight of stairs or a ladder for lowering over the side of a ship for access to and from a small boat, pier, etc
- 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.
- administration order — an order by a court appointing a person to manage a company that is in financial difficulty, in an attempt to ensure the survival of the company or achieve the best realization of its assets
- administrative court — a court that specializes in dealing with cases relating to the way in which government bodies exercise their powers
- administrative leave — leave, as from a government agency or department, arranged by special permission or directive: During the investigation she was placed on administrative leave with pay.
- adrenocorticosteroid — corticosteroid
- adrenocorticotrophic — stimulating the adrenal cortex
- adrenocorticotrophin — (hormone) adrenocorticotropic hormone.
- adventure playground — An adventure playground is an area of land for children to play in, usually in cities or in a park. It has wooden structures and equipment such as ropes, nets, and rubber tyres.
- advertising campaign — An advertising campaign is a planned series of advertisements.
- africanized honeybee — killer bee.
- after-dinner speaker — person paid to make an entertaining speech at a formal dinner
- after-hours drinking — drinking in a pub after its legal closing time
- air-raid precautions — measures taken to protect the public from air-raid attacks
- alaska standard time — a standard time used in the zone which includes all of Alas. except the W Aleutian Islands, corresponding to the mean solar time of the 135th meridian west of Greenwich, England: it is nine hours behind Greenwich time
- alexandra feodorovna — 1872–1918, empress of Russia (wife of Nicholas II).
- alfred hermann fried — Alfred Hermann [al-frid hur-muh n;; German ahl-freyt her-mahn] /ˈæl frɪd ˈhɜr mən;; German ˈɑl freɪt ˈhɛr mɑn/ (Show IPA), 1864–1921, Austrian writer and journalist: Nobel Peace Prize 1911.
- all-ordinaries index — an index of share prices on the Australian Stock Exchange giving a weighted arithmetic average of 245 ordinary shares
- alternative comedian — someone who practises alternative comedy
- alternative medicine — treatments: homeopathic
- aluminum borohydride — a volatile liquid, Al(BH 4) 3 , that ignites spontaneously in air and reacts vigorously with water to form hydrogen, used chiefly in organic synthesis.
- ambient air standard — the highest concentration of a specific air pollutant at a particular outdoor location, in a specified unit of time, that is not considered hazardous to humans: The ambient air standard for gas X is 3 parts per million per hour.
- angular displacement — the angle through which a point, line, or body is rotated about a specific axis in a given direction
- anomalous dispersion — a sudden change in the refractive index of a material for wavelengths in the vicinity of absorption bands in the spectrum of the material.
- antidiuretic hormone — vasopressin. Abbreviation: ADH.
- antigestational drug — a drug that averts a pregnancy by preventing the fertilized egg from becoming implanted in the uterine wall.
- antimony oxychloride — a white, water-insoluble powder, SbOCl, used chiefly in the manufacture of antimony salts.
- antimony trifluoride — a white to grayish-white, crystalline, hygroscopic, water-soluble, poisonous solid, SbF 3 , used chiefly in dyeing textiles.
- antony and cleopatra — a tragedy (1606–07?) by Shakespeare.
- apollonius of rhodes — 3rd century bc, Greek epic poet and head of the Library of Alexandria. His principal work is the four-volume Argonautica
- appalachian dulcimer — dulcimer (def 2).
- apparent candlepower — a measure of the luminous intensity of an extended source of light in terms of the candlepower of a point source of light that has an equivalent luminous intensity when placed at the same distance as the extended source.
- argument from design — the argument for the existence of God based on the assumption that order in the universe implies an orderer and cannot be a natural feature of the universe.
- arrested development — physical development that is not complete
- 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
- at the crack of dawn — If you say that someone does something at the crack of dawn, you are emphasizing that they do it very early in the morning.
- balanced three-phase — A balanced three-phase voltage or current is one in which the size of each phase is the same, and the phase angles of the three phases differ from each other by 120 degrees.
- balled-and-burlapped — of or relating to a tree, shrub, or other plant prepared for transplanting by allowing the roots to remain covered by a ball of soil around which canvas or burlap is tied.
- ballet-wrap cardigan — a cardigan with wrapover fronts which are fastened with wraparound ties
- barking and dagenham — a borough of E Greater London. Pop: 165 900 (2003 est). Area: 34 sq km (13 sq miles)
- bartramian sandpiper — upland sandpiper.
- 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.
- basic lead carbonate — ceruse.
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