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18-letter words containing r, e, i, n, s

  • sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
  • southern rhodesian — a former name (until 1964) of Zimbabwe (def 1).
  • specimen signature — a signature to be compared to an original signature in order to verify someone's identity
  • speech recognition — Computers. the computerized analysis of spoken words in order to identify the speaker, as in security systems, or to respond to voiced commands: the analysis is performed by finding patterns in the spectrum of the incoming sound and comparing them with stored patterns of elements of sound, as phones, or of complete words.
  • speech synthesizer — device that imitates human voice
  • 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 triangle — a triangle formed by arcs of great circles of a sphere.
  • spread one's wings — to make full use of one's abilities
  • squinting modifier — a word or phrase that can modify either the words that precede it or those that follow, as frequently in the sentence Studying frequently is tedious.
  • squirting cucumber — a Mediterranean plant, Ecballium elaterium, of the gourd family, whose ripened fruit forcibly ejects the seeds and juice.
  • 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.
  • standard amenities — the sanitary facilities recommended for all dwellings by the housing law: a fixed bath or shower, wash-hand basin, and sink, all supplied with hot and cold water, and a flush toilet
  • standard deviation — a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution.
  • stationary bicycle — an exercise bike
  • steering committee — a committee, especially of a deliberative or legislative body, charged with preparing the agenda of a session.
  • steller's sea lion — any of several large eared seals, as Eumetopias jubatus (Steller's sea lion) of the northern Pacific, and Zalophus californicus (California sea lion) of the Pacific coast of North America.
  • strait of magellan — a strait between the mainland of S South America and Tierra del Fuego, linking the S Pacific with the S Atlantic. Length: 600 km (370 miles). Width: up to 32 km (20 miles)
  • 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
  • strike an attitude — to assume a posture or pose, often an affected or theatrical one
  • strong derived set — the set of all strong accumulation points of a given set.
  • strong interaction — the interaction between gluons and between gluons and quarks that is responsible for the strong force.
  • strontium monoxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
  • student councillor — a student who is a member of a council or body representing the interests of students at a school, university or college
  • 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.
  • subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
  • sulfuric anhydride — sulfur trioxide.
  • summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
  • sun-dried tomatoes — tomatoes that have been dried or preserved by exposure to the sun
  • sunflower seed oil — the oil extracted from sunflower seeds, used as a salad oil, in the manufacture of margarine, etc
  • super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
  • superior vena cava — See under vena cava.
  • superstring theory — any supersymmetric string theory in which each type of elementary particle is treated as a vibration of a single fundamental string (superstring) at a particular frequency.
  • 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
  • symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
  • 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.
  • synthetic geometry — elementary geometry, as distinct from analytic geometry.
  • system-programming — a program, as an operating system, compiler, or utility program, that controls some aspect of the operation of a computer (opposed to application program).
  • take out insurance — take out insurance against something
  • take sth in stride — If you take a problem or difficulty in stride, you deal with it calmly and easily.
  • tardive dyskinesia — a disorder characterized by restlessness and involuntary rolling of the tongue or twitching of the face, trunk, or limbs, usually occurring as a complication of long-term therapy with antipsychotic drugs.
  • 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.
  • temporal summation — the act or process of summing.
  • terrestrial planet — inner planet.
  • the bird has flown — the person in question has fled or escaped
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