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20-letter words containing or

  • a coroutine language — (language)   (ACL) A Pascal-based implementation of coroutines.
  • a double-edged sword — If you say that something is a double-edged sword or a two-edged sword, you mean that it has negative effects as well as positive effects.
  • a repeat performance — If there is a repeat performance of something, usually something undesirable, it happens again.
  • accessory chromosome — B chromosome.
  • acorn computer group — (company)   A holding company for Acorn Computers Limited, Acorn Australia, Acorn New Zealand, Acorn GmbH and Online Media. Acorn Computer Group owns 43% of Advanced RISC Machines Ltd.
  • 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
  • adrenocorticosteroid — corticosteroid
  • adrenocorticotrophic — stimulating the adrenal cortex
  • adrenocorticotrophin — (hormone) adrenocorticotropic hormone.
  • alexandra feodorovna — 1872–1918, empress of Russia (wife of Nicholas II).
  • algorithmic language — ALGOL 60
  • all-ordinaries index — an index of share prices on the Australian Stock Exchange giving a weighted arithmetic average of 245 ordinary shares
  • 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.
  • ambulatory care unit — a part of hospital where treatment is given to non-resident patients
  • american labor party — a U.S. political party (1936–56) organized in New York City to gain independent political status for the labor and liberal factions of the Democratic Party.
  • ampulla of lorenzini — any of an array of electroreceptors in the head of sharks, skates, and rays capable of detecting weak electrical signals produced by muscular activity in other creatures.
  • anatomically correct — having representations of the sexual organs: An anatomically correct doll was shown to the witness.
  • anthropomorphization — Endowing with human qualities.
  • anti-corn law league — an organization founded in 1839 by Richard Cobden and John Bright to oppose the Corn Laws, which were repealed in 1846
  • antiauthoritarianism — Opposition to authority; the quality of being antiauthoritarian.
  • antidiuretic hormone — vasopressin. Abbreviation: ADH.
  • 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.
  • aortic insufficiency — abnormal closure of the aortic valve resulting in regurgitation of blood to the left ventricle.
  • articulatory feature — a property of a speech sound based on its voicing or on its place or manner of articulation in the vocal tract, as voiceless, bilabial, or stop used in describing the sound (p).
  • attic salt (or wit) — graceful, piercing wit
  • augur ill (or well) — to be a bad (or good) omen
  • axiomatic set theory — (theory)   One of several approaches to set theory, consisting of a formal language for talking about sets and a collection of axioms describing how they behave. There are many different axiomatisations for set theory. Each takes a slightly different approach to the problem of finding a theory that captures as much as possible of the intuitive idea of what a set is, while avoiding the paradoxes that result from accepting all of it, the most famous being Russell's paradox. The main source of trouble in naive set theory is the idea that you can specify a set by saying whether each object in the universe is in the "set" or not. Accordingly, the most important differences between different axiomatisations of set theory concern the restrictions they place on this idea (known as "comprehension"). NBG (von Neumann-Bernays-Goedel) set theory sort of allows comprehension for all formulae without restriction, but distinguishes between two kinds of set, so that the sets produced by applying comprehension are only second-class sets. NBG is exactly as powerful as ZF, in the sense that any statement that can be formalised in both theories is a theorem of ZF if and only if it is a theorem of ZFC. MK (Morse-Kelley) set theory is a strengthened version of NBG, with a simpler axiom system. It is strictly stronger than NBG, and it is possible that NBG might be consistent but MK inconsistent. ML ("Modern Logic") is to NF as NBG is to ZF. (Its name derives from the title of the book in which Quine introduced an early, defective, form of it). It is stronger than ZF (it can prove things that ZF can't), but if NF is consistent then ML is too.
  • back the wrong horse — to bet on a horse that loses the race
  • backward and forward — If someone or something moves backward and forward, they move repeatedly first in one direction and then in the opposite direction.
  • bacteriochlorophylls — Plural form of bacteriochlorophyll.
  • baggage storage room — A baggage storage room is a room in a hotel where people can leave their baggage in order to collect it later.
  • ballistic trajectory — the path of an unpowered object, as a missile, moving only under the influence of gravity and possibly atmospheric friction and with its surface providing no significant lift to alter the course of flight.
  • baptism for the dead — the baptism of a living person in the place of and for the sake of one who has died unbaptized: now practiced chiefly by Mormons.
  • bats-wing coral-tree — a small tree, Erythrina verspertilio, of tropical and subtropical Australia with red flowers and leaves shaped like the wings of a bat
  • be (or get) wise to — to be (or become) aware of; have (or attain) a proper understanding of
  • be for the high jump — to be liable to receive a severe reprimand or punishment
  • be in the market for — to wish to buy or acquire
  • be there for someone — If someone is there for you, they help and support you, especially when you have problems.
  • beggar-your-neighbor — a children's card game for two, played with 52 cards, that is won when a player captures all of the cards.
  • belgorod-dnestrovski — a port in SW Ukraine, on the Dniester estuary: belonged to Romania from 1918 until 1940; under Soviet rule (1944–91). Pop: 48 100 (2004 est)
  • belgorod-dnestrovsky — a seaport in SW Ukraine, on the Black Sea.
  • benzene hexachloride — a compound, C6H6Cl6, used as an insecticide
  • best-efforts selling — a method of underwriting a security whereby a syndicate takes a new issue without any guarantees of sale to the issuer.
  • board of supervisors — the governing body of a county in many U.S. states, especially in the Midwest and the East, consisting of from 15 to 100 members elected from towns, townships, cities, or wards.
  • born-again christian — person: evangelical
  • boy-meets-girl story — a film, book, etc whose plot is conventionally or trivially romantic
  • bring into the world — (of a midwife, doctor, etc) to deliver (a baby)
  • british north borneo — former name of Sabah.

On this page, we collect all 20-letter words with OR. It’s easy to find right word with a certain length. It is the easiest way to find 20-letter word that contains OR to use in Scrabble or Crossword puzzles.

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