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18-letter words containing a, s, c, r, i

  • spectroheliography — the process of obtaining an image of the sun in light of a particular wavelength, such as calcium or hydrogen, showing the distribution of the element over the surface and in the solar atmosphere, using a spectroheliograph
  • spectropolarimeter — an instrument for determining the extent to which plane-polarized light of various wavelengths is rotated by certain solutions, consisting of a combination of a spectroscope and a polarimeter.
  • spectropolariscope — an instrument combining the functions of a spectroscope with those of a polariscope.
  • sperry corporation — (company)   The company which merged with the Burroughs Corporation to form Unisys Corporation. Divisions included Sperry Univac, Sperry Flight Systems, and others. Some of these were sold off after the merger.
  • spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
  • spherical triangle — a triangle formed by arcs of great circles of a sphere.
  • st. lawrence river — a river in SE Canada, flowing NE from Lake Ontario, forming part of the boundary between New York and Ontario, and emptying into the Gulf of St. Lawrence. 760 miles (1225 km) long.
  • static electricity — a stationary electric charge built up on an insulating material.
  • stationary bicycle — an exercise bike
  • statutory sick pay — the pay an employee is legally entitled to when sick
  • stoichiometrically — of or relating to stoichiometry.
  • stokely carmichael — Hoagland Howard [hohg-luh nd] /ˈhoʊg lənd/ (Show IPA), ("Hoagy") 1899–1981, U.S. songwriter and musician.
  • strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
  • stratigraphic trap — A stratigraphic trap is a rock formation that contains hydrocarbons and is sealed by other rock formations.
  • street certificate — a certificate showing ownership of a specified number of shares of stock: endorsed by the owner and guaranteed by a broker, it may be traded without formal transfer on the books of the corporation issuing the stock.
  • strong interaction — the interaction between gluons and between gluons and quarks that is responsible for the strong force.
  • sub-saharan africa — the region of Africa to the south of the Sahara desert
  • subatomic particle — physics:
  • submarine sandwich — a sandwich made with a long cylindrical bread roll
  • subordinate clause — a clause that modifies the principal clause or some part of it or that serves a noun function in the principal clause, as when she arrived in the sentence I was there when she arrived or that she has arrived in the sentence I doubt that she has arrived.
  • subsidiary company — a company whose controlling interest is owned by another company.
  • subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
  • substitute teacher — educator: replaces sb temporarily
  • sulfuric anhydride — sulfur trioxide.
  • summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
  • superciliary ridge — browridge.
  • superior vena cava — See under vena cava.
  • supporting actress — an actress playing a supporting role
  • surgical appliance — a specialized device used by somebody to relieve a particular medical condition
  • survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
  • swarm intelligence — the collective behaviour of a group of animals, esp social insects such as ants, bees, and termites, that are each following very basic rules
  • sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
  • sympathetic strike — sympathy strike.
  • sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
  • take out insurance — take out insurance against something
  • technical reserves — Technical reserves are amounts of money set aside to pay for underwriting liabilities.
  • technical sergeant — a noncommissioned officer ranking below a master sergeant and above a staff sergeant.
  • tertiary structure — the way in which the helixes or beta structures of a polypeptide are folded or arranged into a three-dimensional configuration.
  • the baptist church — any of various Protestant churches that believe in the baptism of believers
  • the cat's whiskers — a person or thing that is excellent or superior
  • the coast is clear — If you say that the coast is clear, you mean that there is nobody around to see you or catch you.
  • the practicalities — the real facts or details of a situation, as opposed to its theoretical aspects
  • thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
  • thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
  • threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
  • to cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
  • to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
  • translation agency — an organization that provide people to translate speech or writing into a different language
  • transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
  • transrectification — rectification occurring in one circuit as a result of the application of an alternating voltage to another circuit.
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