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19-letter words containing o, s

  • alexis mikhailovich — 1629–76, tsar of Russia (1645–76); father of Peter the Great
  • alexis nikolayevich — (Aleksei Nikolayevich) 1904–18, son of Nicholas II of Russia, heir apparent to the Russian throne: executed in the Russian Bolshevik Revolution.
  • algebraic extension — a field containing a given field such that every element in the first field is algebraic over the given field.
  • 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-points bulletin — An all-points bulletin is a message sent by a police force to all its officers. The abbreviation APB is also used.
  • allegheny mountains — a mountain range in Pennsylvania, Maryland, Virginia, and West Virginia: part of the Appalachian system; rising from 600 m (2000 ft) to over 1440 m (4800 ft)
  • alpha canis majoris — Sirius
  • alpha canis minoris — Procyon
  • alpha ursae minoris — Polaris
  • alphonse and gaston — marked by a ritualistic courtliness in which two often competing participants graciously but stubbornly defer to each other: a kind of Alphonse and Gaston act in which each man insisted the other go through the doorway first.
  • 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 society — a society or social group that espouses values different from those of the established social order.
  • ambassador-at-large — an ambassador with special duties who may be sent to more than one government
  • 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.
  • amino acid sequence — the unique sequence of amino acids that characterizes a given protein
  • amount of substance — a measure of the number of entities (atoms, molecules, ions, electrons, etc) present in a substance, expressed in moles
  • anaerobic digestion — the conversion of biodegradable waste matter into compost in the absence of oxygen
  • analytic philosophy — a 20th-cent. philosophic movement characterized by its method of analyzing concepts and statements in the light of common experience and ordinary language so as to eliminate confusions of thought and resolve many traditional philosophical problems
  • analytic psychology — the system of psychology developed by C. G. Jung as a variant of psychoanalysis
  • anarcho-syndicalism — syndicalism.
  • anarcho-syndicalist — syndicalism.
  • anatomical snuffbox — the triangular depression on the back of the hand between the thumb and the index finger
  • angels-on-horseback — a savoury of oysters wrapped in bacon slices and served on toast
  • angle of depression — depression (def 11).
  • 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
  • anterograde amnesia — amnesia caused by brain damage in which the memory loss relates to events occurring after the damage
  • anti-prohibitionist — a person who favors or advocates prohibition.
  • anti-vivisectionist — a person who opposes vivisection.
  • anticholinesterases — Plural form of anticholinesterase.
  • anticompetitiveness — The quality of being anticompetitive.
  • antimony trisulfide — a black or orange-red crystalline compound, Sb2S3, used as a pigment, in pyrotechnics and matches, for fireproofing fabrics and paper, etc.
  • antoine louis barye — Antoine Louis [ahn-twan lwee] /ɑ̃ˈtwan lwi/ (Show IPA), 1795–1875, French sculptor and painter.
  • apollonius dyscolus — died a.d. c140, Greek grammarian.
  • apollonius of perga — ?261–?190 bc, Greek mathematician, remembered for his treatise on conic sections
  • application testing — system testing
  • appointments bureau — an office responsible for filling appointments
  • apres moi le deluge — after me the deluge
  • aqueduct of sylvius — a canal in the midbrain, connecting the third and fourth ventricles of the brain.
  • arbitration service — a service which provides an impartial referee to settle disputes
  • arecibo observatory — an observatory in Puerto Rico at which the world's largest dish radio telescope (diameter 305 m) is situated. It is operated by the National Astronomy and Ionosphere Center
  • aristotle's lantern — a complex arrangement of muscles and calcareous teeth and plates forming an eversible organ in most echinoids, functioning in mastication.
  • armed response unit — (in Britain) a unit of police officers who are trained to use firearms in situations where unarmed police officers would be in danger
  • aromatase inhibitor — any of a class of drugs that inhibit the action of aromatase: used in the treatment of breast and ovarian cancer
  • arsenic trichloride — a colorless or yellow, oily, poisonous liquid, AsCl 3 , used chiefly as an intermediate in the manufacture of organic arsenicals.
  • artemis microkernel — (operating system)   A microkernel currently under development by Dave Hudson <[email protected]>, scheduled for release under GPL in May 1995. It is targeted at embedded applications on Intel 80386, Intel 486 and Pentium based systems.
  • as a matter of fact — You use as a matter of fact to introduce a statement that gives more details about what has just been said, or an explanation of it, or something that contrasts with it.
  • as long as your arm — If you say that a list is as long as your arm, you are emphasizing that it is very long.
  • as old as the hills — very old
  • as sick as a parrot — If you say that you feel as sick as a parrot, you feel very disappointed about something.
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