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20-letter words containing u, s, n, a, c

  • schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
  • secure accommodation — an institution where young offenders are kept in custody
  • security association — (networking)   The relationship between two or more entities (typically, a computer, but could be a user on a computer, or software component) which describes how the entities will use security services, such as encryption, to communicate. See RFC 1825.
  • settle accounts with — to pay or receive a balance due
  • shifting cultivation — a land-use system, esp in tropical Africa, in which a tract of land is cultivated until its fertility diminishes, when it is abandoned until this is restored naturally
  • skull and crossbones — a representation of a front view of a human skull above two crossed bones, originally used on pirates' flags and now used as a warning sign, as in designating substances as poisons.
  • soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
  • south american plate — a major tectonic division of the earth's crust, comprising the continent of South America and several ocean basins and bounded on the north by the Caribbean Plate, on the east by the Mid-Atlantic Ridge, on the west by a submarine trench that borders the western coast of the continent, and on the south by the Antarctic Plate.
  • south atlantic ocean — the part of the Atlantic Ocean extending S from the Equator to the Antarctic continent.
  • southern oscillation — a low-latitude fluctuation of atmospheric pressure closely linked with El Niño events, specifically the periods of El Niño warming and La Niña cooling.
  • space-time continuum — Also called space-time continuum. the four-dimensional continuum, having three spatial coordinates and one temporal coordinate, in which all physical quantities may be located.
  • specific conductance — conductivity (def 2).
  • specific-conductance — conductivity (def 2).
  • spontaneous recovery — the reappearance of a response after its extinction has been followed by a period of rest
  • square cross-section — If a kelly has a square cross-section, it has a surface area with four equal sides, when looked at as if has been sliced through.
  • strong nuclear force — an interaction between elementary particles responsible for the forces between nucleons in the nucleus. It operates at distances less than about 10–15 metres, and is about a hundred times more powerful than the electromagnetic interaction
  • subpoena duces tecum — a writ directing a person to appear in court and to bring some document described in the writ.
  • subscription library — a commercial lending library
  • summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
  • supersonic transport — a commercial jet airplane that can fly faster than the speed of sound. Abbreviation: SST.
  • surface-active agent — any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
  • surveillance society — a society where surveillance technology is widely used to monitor people's everyday activities
  • synchronous rotation — rotation of a satellite in which the period of rotation is equal to the period of orbit around its primary, leaving the same face always pointing toward the primary: The moon is in synchronous rotation about the earth.
  • systemic circulation — the circulatory system in general.
  • terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
  • the canterbury tales — an uncompleted sequence of tales by Chaucer, written for the most part after 1387.
  • the course of nature — the ordinary course of events
  • thioantimonious acid — any of a group of hypothetical acids, H3SbS3, HSbS2, and H4Sb2S5, known only in the forms of their salts in solution
  • thomas of erceldoune — Thomas of, Thomas of Erceldoune.
  • thought transference — transference of thought by extrasensory means from the mind of one individual to another; telepathy.
  • transposed conjugate — adjoint (def 2).
  • troilus and cressida — a satiric comedy (1598–1602?) by Shakespeare.
  • tropical disturbance — a very weak, or incipient, tropical cyclone.
  • ultimate constituent — an element of a construction that cannot be further divided into grammatical constituents: the morphemes of an utterance are usually considered to be its ultimate constituents.
  • uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
  • uncharacteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
  • unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
  • university education — a course of study undertaken and completed at a university
  • unsaddling enclosure — the area at a racecourse where horses are unsaddled after a race and often where awards are given to owners, trainers, and jockeys
  • visual merchandising — Visual merchandising is the use of attractive displays and floor plans to increase customer numbers and sales volumes.
  • visually handicapped — unable to carry out normal activities because of defects of vision, including blindness
  • vitoria de conquista — a city in Bahía state, E central Brazil.
  • whole-life insurance — a type of insurance with a savings element that is guaranteed to pay out on death provided premiums have been paid as required by the policy
  • wilson cloud chamber — cloud chamber.
  • your marching orders — If you give someone their marching orders, you tell them that you no longer want or need them, for example as your employee or as your lover.
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