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19-letter words containing e, s, r, i

  • siberian wallflower — a North American plant, Erysimum asperum, of the mustard family, having orange-yellow flowers.
  • sidereal hour angle — the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body.
  • 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
  • silk-screen process — Also called silkscreen process. a printmaking technique in which a mesh cloth is stretched over a heavy wooden frame and the design, painted on the screen by tusche or affixed by stencil, is printed by having a squeegee force color through the pores of the material in areas not blocked out by a glue sizing.
  • simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
  • simple closed curve — a curve that is closed and that has no loops or points missing; a curve for which there exists a homeomorphism mapping it to a circle.
  • single-cell protein — a protein produced or derived from the culture of a single-celled organism, used as a food supplement or substitute. Abbreviation: SCP.
  • sir wilfrid laurier — Sir Wilfrid [wil-frid;; French weel-freed] /ˈwɪl frɪd;; French wilˈfrid/ (Show IPA), 1841–1919, Canadian statesman: prime minister 1896–1911.
  • sissinghurst castle — a restored Elizabethan mansion near Cranbrook in Kent: noted for the gardens laid out in the 1930s by Victoria Sackville-West and Harold Nicolson
  • sleepy hollow chair — an armchair of the mid-19th century, sometimes on rockers, having a single piece forming a high upholstered back and a concave upholstered seat.
  • slugging percentage — a number expressing a player's average effectiveness in making extra-base hits, calculated by dividing the total number of bases (from all singles, doubles, triples, and home runs) by the number of official at bats
  • small advertisement — a short, simply designed advertisement in a newspaper or magazine, usually set entirely in a small size of type
  • smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
  • smoking compartment — a compartment of a train where smoking is permitted
  • social security act — a law passed in 1935 providing old-age retirement insurance, a federal-state program of unemployment compensation, and federal grants for state welfare programs.
  • sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
  • sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
  • solar neutrino unit — Astronomy. a unit equal to 10 −36 neutrino captures per second per target atom, used as a measure of the flux of neutrino radiation from the sun. Abbreviation: SNU.
  • solid of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
  • someone's writ runs — someone has power or authority of a specified kind or scope
  • southern hemisphere — the half of the earth between the South Pole and the equator.
  • soviet central asia — the region of the former Soviet Union now occupied by Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan
  • spanish west africa — a former overseas territory of Spain in NW Africa: divided in 1958 into the overseas provinces of Ifni and Spanish Sahara
  • special air service — a regiment in the British Army specializing in clandestine operations
  • special partnership — limited partnership.
  • 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.
  • sphere of influence — any area in which one nation wields dominant power over another or others.
  • spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
  • spider-hunting wasp — any solitary wasp of the superfamily Pompiloidea, having a slender elongated body: the fast-running female hunts spiders as a food store for her larvae
  • spin quantum number — the quantum number that designates the total angular momentum associated with electron spin and has a value of ½ in units of h /2π.
  • splinterproof glass — glass that is designed not to form sharp splinters should it be shattered
  • spotted wintergreen — an evergreen plant, Chimaphila maculata, of central North America, having leaves with mottled-white veins and white, fragrant flowers.
  • spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
  • squirrel-tail grass — any of various grasses having long fruiting stalks.
  • st. augustine grass — a low, mat-forming grass, Stenotaphrum secundatum, of the southern U.S. and tropical America, that is cultivated as a lawn grass.
  • st.-germain-en-laye — a city in N France, near Paris: royal château and forest; treaties 1570, 1632, 1679, 1919.
  • staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
  • stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
  • standing martingale — martingale (def 1).
  • 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.
  • starve the bardies! — an exclamation of surprise or protest
  • stationary engineer — a person who runs or is licensed to run a stationary engine.
  • stationers' company — a company or guild of the city of London composed of booksellers, printers, dealers in writing materials, etc., incorporated in 1557.
  • stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
  • steamroller tactics — repressive tactics
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