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

  • 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).
  • set one's cap for — a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
  • sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
  • shetland pullover — a thick woollen sweater made from Shetland wool
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • shortcrust pastry — a basic type of pastry that is made with half the quantity of fat to flour, and has a crisp but crumbly texture
  • 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.
  • software platform — a major piece of software, as an operating system, an operating environment, or a database, under which various smaller application programs can be designed to run.
  • sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
  • southampton water — an inlet of the English Channel in S England
  • southern sporades — a group of Greek islands in the Aegean, including the Dodecanese, lying off the SW coast of Turkey
  • spark photography — photography of fast-moving objects, as bullets, by the light of an electric spark.
  • 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.
  • spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
  • 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.
  • stereophotography — photography producing stereoscopic images.
  • storm in a teacup — a violent fuss or disturbance over a trivial matter
  • subscription rate — the price charged for a subscription
  • sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
  • 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.
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