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17-letter words containing a, p, r, o, s, i

  • sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
  • safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
  • saint christopher — Saint, died a.d. c250, Christian martyr.
  • scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
  • self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
  • self-presentation — an act of presenting.
  • self-preservation — preservation of oneself from harm or destruction.
  • self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
  • semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
  • semi-professional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
  • sensory paralysis — impairment or loss of sensation in a part or area of the body
  • separation center — a place at which military personnel are processed for release from active service.
  • separation energy — binding energy (def 1).
  • sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • sino-japanese war — the war (1894–95) between China and Japan over the control of Korea that resulted in the nominal independence of Korea and the Chinese cession to Japan of Formosa and the Pescadores.
  • six-speed gearbox — a gearbox containing a system of six gears
  • slap on the wrist — a sharp blow or smack, especially with the open hand or with something flat.
  • sleep deprivation — a condition in which you have not had enough sleep
  • social enterprise — a business organization that works to benefit society as a whole
  • sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
  • sodium pyroborate — borax1 .
  • sodium-vapor lamp — an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways.
  • spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
  • spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
  • spectroscopically — an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
  • spenserian sonnet — a sonnet employing the rhyme scheme abab, bcbc, cdcd, ee.
  • sperrin mountains — a mountain range in NW Northern Ireland
  • spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
  • spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
  • spiritual bouquet — the spiritual presentation of a good work to another person.
  • split keyboarding — the act or practice of editing data from one terminal on another terminal
  • split personality — multiple personality.
  • sports facilities — places and things for doing sports
  • spot-illustration — a rounded mark or stain made by foreign matter, as mud, blood, paint, ink, etc.; a blot or speck.
  • spotted sandpiper — a North American sandpiper, Actitis macularia, that has brownish-gray upper parts and white underparts, and is spotted with black in the summer.
  • spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
  • spring cankerworm — the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm)
  • steamboat springs — a town in NW Colorado: ski resort.
  • stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
  • storm in a teacup — a violent fuss or disturbance over a trivial matter
  • subscription rate — the price charged for a subscription
  • super-nationalism — an extreme or fanatical loyalty or devotion to a nation.
  • superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
  • superalimentation — nourishment; nutrition.
  • supercolumniation — the placing of one order of columns above another.
  • superregeneration — regeneration in which a signal is alternately amplified and quenched at a frequency slightly above the audible range to achieve high sensitivity with a single tube.
  • supervisory board — a board of management of which nonmanagerial workers are members, having supervisory powers over some aspects of management decision-making
  • support mechanism — any formal system or method of providing support or assistance
  • supra-nationalism — outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.
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