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19-letter words containing a, r, n

  • air-traffic control — a government service that facilitates the safe and orderly movement of aircraft within and between airports by receiving and processing data from radar and devices that monitor local weather conditions and by maintaining radio contact with pilots.
  • aladdin enterprises — (company)   A small, privately owned, US software consulting and development company, founded in 1986, best known as the original developer of Ghostscript. Address: San Francisco Peninsula, California, USA. Not to be confused with Aladdin Systems, Inc..
  • alcazar de san juan — a town in S central Spain: associated with Cervantes and Don Quixote. Pop: 27 229 (2003 est)
  • aldridge-brownhills — a town in central England, in Walsall unitary authority, West Midlands: formed by the amalgamation of neighbouring towns in 1966. Pop: 35 525 (2001)
  • alexander technique — a technique for developing awareness of one's posture and movement in order to improve it
  • alexander the great — 356–323 bc, king of Macedon, who conquered Greece (336), Egypt (331), and the Persian Empire (328), and founded Alexandria
  • alexander von kluck — Alexander von [ah-le-ksahn-duh r fuh n] /ˌɑ lɛˈksɑn dər fən/ (Show IPA), 1846–1934, German general.
  • alfred thayer mahan — Alfred Thayer [they-er] /ˈθeɪ ər/ (Show IPA), 1840–1914, U.S. naval officer and writer on naval history.
  • algebraic extension — a field containing a given field such that every element in the first field is algebraic over the given field.
  • algebraic operation — any of the mathematical operations of addition, subtraction, multiplication, division, raising to a power, or extraction of a root.
  • algorithmic trading — trading on international stock exchanges using computers that have been programmed to buy and sell shares according to fixed rules
  • alice-in-wonderland — fantastic; irrational
  • all in a day's work — If you say that a task is all in a day's work for someone, you mean that they do not mind doing it although it may be difficult, because it is part of their job or because they often do it.
  • all-risks insurance — insurance that covers all risks to property except any types that are specifically excluded or limited in the policy
  • all-terrain vehicle — a vehicle with treads or wheels designed to travel on rough ground
  • alpha canis majoris — Sirius
  • alpha canis minoris — Procyon
  • alpha ursae minoris — Polaris
  • alternating current — An alternating current is an electric current that continually changes direction as it flows. The abbreviation AC is also used.
  • alternating voltage — a voltage that reverses direction in regular cycles.
  • alternative history — a genre of fiction in which the author speculates on how the course of history might have been altered if a particular historical event had had a different outcome
  • alternative pathway — the activation of complement by contact with polysaccharides on bacteria, protozoa, or yeast cells: a nonspecific immune response. Compare classical pathway.
  • alternative society — a society or social group that espouses values different from those of the established social order.
  • aluminium hydroxide — a white crystalline powder derived from bauxite and used in the manufacture of glass and ceramics, aluminium and its salts, and in dyeing. Formula: Al(OH)3 or Al2O3.3H2O
  • ambient temperature — Ambient temperature is the temperature of the air surrounding a component.
  • ambulance insurance — Ambulance insurance is insurance cover that covers the cost of an emergency ambulance if one is needed.
  • american black bear — a bear, Euarctos (or Ursus) americanus, inhabiting forests of North America. It is smaller and less ferocious than the brown bear
  • american book award — any of several awards given annually since 1980 to an author whose book is judged the best in its category: administered by the Association of American Publishers. Abbreviation: ABA, A.B.A.
  • american crab apple — a twiggy, stiff-branched tree, Malus coronaria, of southern central North America, having small fruit and rose-colored flowers that change to white.
  • american directoire — a style of American furniture making and related crafts from c1805 to c1815, corresponding to the French Directoire and English Regency styles.
  • american revolution — a sequence of actions by American colonists from 1763 to 1775 protesting British domination and culminating in the Revolutionary War
  • american smoke tree — a small tree, Cotinus obovatus, of the cashew family, of the central southern U.S., having yellowish flowers and clusters of fleshy fruit with silky plumes.
  • american wire gauge — American wire gauge is a measure of wire thickness.
  • ammonium bifluoride — a white, crystalline, water-soluble, poisonous solid, NH 4 HF 2 , used chiefly for cleaning and sterilizing brewing and dairy equipment.
  • anaerobic digestion — the conversion of biodegradable waste matter into compost in the absence of oxygen
  • analytical geometry — the branch of geometry that uses algebraic notation and analysis to locate a geometric point in terms of a coordinate system; coordinate geometry
  • anarcho-syndicalism — syndicalism.
  • anarcho-syndicalist — syndicalism.
  • ancillary equipment — Ancillary equipment is machines and other technical things which are used with the main items of equipment to create a complete system.
  • andrew s. tanenbaum — Andrew Tanenbaum
  • androuet du cerceau — Androuet [ahn-droo-e] /ɑ̃ druˈɛ/ (Show IPA), Androuet du Cerceau.
  • angels-on-horseback — a savoury of oysters wrapped in bacon slices and served on toast
  • angioneurotic edema — swelling that occurs just beneath the surface of the skin or mucous membranes.
  • angle of depression — depression (def 11).
  • angle of reflection — the angle that a beam of reflected radiation makes with the normal to a surface at the point of reflection
  • angle of refraction — the angle that a refracted beam of radiation makes with the normal to the surface between two media at the point of refraction
  • anno urbis conditae — in a (specified) year from the founding of the city: the ancient Romans reckoned dates from Rome's founding, c. 753 b.c.
  • answerphone message — a pre-recorded message that is left on an answering machine, usually inviting callers to leave a message
  • antarctic peninsula — the largest peninsula of Antarctica, between the Weddell Sea and the Pacific: consists of Graham Land in the north and the Palmer Peninsula in the south
  • anterograde amnesia — amnesia caused by brain damage in which the memory loss relates to events occurring after the damage
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