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17-letter words containing p, a, t, i

  • self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
  • semi-experimental — pertaining to, derived from, or founded on experiment: an experimental science.
  • semi-permeability — permeable only to certain small molecules: a semipermeable membrane.
  • semisophisticated — somewhat sophisticated.
  • separating funnel — a large funnel having a tap in its output tube, used to separate immiscible liquids
  • separation center — a place at which military personnel are processed for release from active service.
  • separation energy — binding energy (def 1).
  • septicemic plague — an especially dangerous form of plague in which the infecting organisms invade the bloodstream. Compare plague (def 2).
  • shipping articles — articles of agreement.
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
  • 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
  • sleeping quarters — the rooms where people sleep in a large building or complex or on a boat etc
  • 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 .
  • spaghetti western — a low-budget western movie shot in Italy or Spain, usually with Italian actors and an American star.
  • spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
  • span of attention — attention span.
  • sparc xterminal 1 — (computer)   Sun's lowest cost networked Unix desktop, it is board-upgradeable to a SPARC 4. It comes with a choice of frame buffers: 8-bit colour, Turbo GX, or Turbo GX plus. This product was expected to replace the SPARCclassic X. UK availability was planned for March 1995.
  • spark transmitter — a transmitting set that generates electromagnetic waves by the oscillatory discharge from a capacitor through an inductor and a spark gap.
  • spastic paralysis — a condition in which the muscles affected are marked by tonic spasm and increased tendon reflexes.
  • spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
  • spatial summation — the act or process of summing.
  • special committee — a committee, as of a legislative body, that is formed to examine and report on a specific bill or issue.
  • special constable — a person recruited for temporary or occasional police duties, esp in time of emergency
  • special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
  • 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.
  • spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
  • spenserian sonnet — a sonnet employing the rhyme scheme abab, bcbc, cdcd, ee.
  • spenserian stanza — the stanza used by Spenser in his Faerie Queene and employed since by other poets, consisting of eight iambic pentameter lines and a final Alexandrine, with a rhyme scheme of ababbcbcc.
  • sperrin mountains — a mountain range in NW Northern Ireland
  • spinal anesthesia — interruption of conduction of nerve impulses by the injection of an anesthetic into the spinal canal that reduces sensitivity to pain without loss of consciousness.
  • spinal meningitis — infection of spinal membrane
  • spiritual bouquet — the spiritual presentation of a good work to another person.
  • spiritual healing — faith healing
  • spit in the ocean — a variety of poker in which four cards are dealt face down to each player and one card, forming the fifth for all hands, is dealt face up in the center of the table, the exposed card and others of its denomination being wild cards.
  • spitting distance — a short space or distance
  • split keyboarding — the act or practice of editing data from one terminal on another terminal
  • split personality — multiple personality.
  • spoonbill catfish — flathead catfish.
  • 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.
  • st. crispin's day — October 25: anniversary of the Battle of Agincourt (1415).
  • stand-up comedian — performer: tells jokes
  • standing expenses — fixed or flat expenses or charges
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