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19-letter words containing f, a, r, s

  • radius of curvature — the absolute value of the reciprocal of the curvature at a point on a curve.
  • reef whitetip shark — whitetip shark (def 1).
  • reflux oesophagitis — inflammation of the gullet caused by regurgitation of stomach acids, producing heartburn: may be associated with a hiatus hernia
  • refreshable display — braille display
  • research fellowship — the position or office of someone who conducts academic research into a subject at a university, etc
  • respiratory failure — a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
  • ring-spinning frame — a machine containing the ring, traveler, and bobbin used in spinning yarn.
  • saccharofarinaceous — pertaining to or consisting of sugar and meal.
  • sacrifice operative — a euphemistic term for a suicide bomber
  • san fernando valley — valley in SW Calif., partly in NW Los Angeles: c. 260 sq mi (673 sq km)
  • san francisco peaks — a mountain mass in N Arizona: highest point in the state, Humphrey's Peak, 12,611 feet (3845 meters).
  • savings certificate — a certificate of deposit for a specific sum of money in a savings account, especially a deposit for a fixed term at a specified interest rate.
  • scare the pants off — to scare extremely
  • scratch the surface — examine superficially
  • sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
  • sea of tranquillity — Astronomy. Mare Tranquillitatis.
  • sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
  • secondary infection — an infection resulting from another infection
  • self-administration — the management of any office, business, or organization; direction.
  • self-aggrandizement — increase of one's own power, wealth, etc., usually aggressively.
  • self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
  • self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
  • self-congratulatory — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
  • self-discrimination — an act or instance of discriminating, or of making a distinction.
  • self-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
  • self-representation — the act of representing.
  • self-transformation — the act or process of transforming.
  • sharp-focus realism — photorealism.
  • shortness of breath — respiratory difficulty
  • siberian forest cat — a breed of powerfully-built long-haired cat, typically tabby with a white ruff and white paws
  • siberian wallflower — a North American plant, Erysimum asperum, of the mustard family, having orange-yellow flowers.
  • sign of aggregation — any of the signs used to indicate grouping in an algebraic expression: vinculum, bar, or raised horizontal line, ; a pair of parentheses, (a + b); a pair of brackets, [ a + b ]; or a pair of braces, { a + b }.
  • significant figures — the figures of a number that express a magnitude to a specified degree of accuracy, rounding up or down the final figure
  • sir wilfrid laurier — Sir Wilfrid [wil-frid;; French weel-freed] /ˈwɪl frɪd;; French wilˈfrid/ (Show IPA), 1841–1919, Canadian statesman: prime minister 1896–1911.
  • south african dutch — the Boers.
  • south san francisco — a city in central California.
  • spanish west africa — a former overseas territory of Spain in NW Africa: divided in 1958 into the overseas provinces of Ifni and Spanish Sahara
  • spare a thought for — If you spare a thought for an unfortunate person, you make an effort to think sympathetically about them and their bad luck.
  • specific characters — the persistent features that distinguish one species from all others
  • specific resistance — resistivity (def 2).
  • specific-resistance — the power or property of resistance.
  • specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
  • spirit of hartshorn — a colorless, pungent, suffocating, aqueous solution of about 28.5 percent ammonia gas: used chiefly as a detergent, for removing stains and extracting certain vegetable coloring agents, and in the manufacture of ammonium salts.
  • splinterproof glass — glass that is designed not to form sharp splinters should it be shattered
  • spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
  • staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
  • stanford university — (education)   A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
  • stanford-binet test — a revised version of the Binet-Simon scale, prepared at Stanford University for use in the U.S.
  • step-up transformer — a device that transfers an alternating current from one circuit to one or more other circuits with an increase of voltage
  • straightforwardness — going or directed straight ahead: a straightforward gaze.
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