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17-letter words containing s, p, o, t, c

  • rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
  • respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
  • respiratory tract — the passages through which air enters and leaves the body
  • rocket propulsion — propulsion of an object by thrust developed by a rocket.
  • rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
  • safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
  • 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.
  • scheme repository — A collection of free Scheme programs.
  • schmidt telescope — a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
  • secondary product — a product that is not the main product of an industry; a by-product
  • self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
  • self-emancipation — the act of emancipating.
  • self-incompatible — not capable of self-pollination.
  • self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
  • self-reproduction — the act or process of reproducing.
  • semi-monopolistic — a person who has a monopoly.
  • semisophisticated — somewhat sophisticated.
  • separation center — a place at which military personnel are processed for release from active service.
  • set one's cap for — a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • shopping precinct — pedestrian area with shops
  • 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
  • shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
  • social enterprise — a business organization that works to benefit society as a whole
  • 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.
  • south sea company — a British joint stock company that traded in South America in the 18th century. The South Sea Company took over the national debt in return for a monopoly of trade with the South Seas, causing feverish speculation in their stocks, and a financial crash in 1720 (the South Sea Bubble)
  • spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
  • 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.
  • spectrohelioscope — a spectroheliograph.
  • spectromicroscope — a microscope with an attached spectroscope.
  • spectrophotometer — an instrument for making photometric comparisons between parts of spectra.
  • spectrophotometry — an instrument for making photometric comparisons between parts of spectra.
  • 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 disorder — any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
  • speech correction — the reeducation of speech habits that deviate from accepted speech standards.
  • speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
  • 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.
  • spoonbill catfish — flathead catfish.
  • spore mother cell — a cell from which a spore is produced
  • sports facilities — places and things for doing sports
  • spot announcement — a brief radio or television announcement, usually an advertisement, made by an individual station during or after a network program.
  • stand-up comedian — performer: tells jokes
  • steamship company — a company which has a fleet of steamships
  • stenothermophilic — growing best within a narrow temperature range.
  • stereospecificity — (of a reaction) producing a simple stereoisomer.
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