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20-letter words containing a, s, u, i

  • sodium meta-arsenite — sodium arsenite.
  • sodium metabisulfite — Sodium metabisulfite is a crystalline compound used as an antioxidant.
  • 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.
  • sound-and-light show — a nighttime spectacle or performance, at which a building, historic site, etc., is illuminated and the historic significance is imparted to spectators by means of narration, sound effects, and music.
  • 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.
  • south orkney islands — an uninhabited group of islands in the S Atlantic, southeast of Cape Horn: formerly a dependency of the Falkland Islands; part of the British Antarctic Territory since 1962 (claims are suspended under the Antarctic Treaty). Area: 621 sq km (240 sq miles)
  • 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.
  • special patrol group — a former police unit tasked with counter terrorism in the Royal Ulster Constabulary
  • specific conductance — conductivity (def 2).
  • specific-conductance — conductivity (def 2).
  • spontaneous abortion — miscarriage (def 1).
  • spontaneous-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
  • 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.
  • square of opposition — a diagrammatic representation of the opposition of categorical propositions.
  • squatter sovereignty — (used contemptuously by its opponents) popular sovereignty (def 2).
  • staff of aesculapius — a representation of a forked staff with an entwining serpent, used as a symbol of the medical profession and as the insignia of the American Medical Association and other medical organizations. Compare caduceus (def 2).
  • straight-cut tobacco — tobacco that is cut in such a way that it will lie flat.
  • structural isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
  • subjective idea-list — a doctrine that the world has no existence independent of sensations or ideas.
  • subscription library — a commercial lending library
  • suitland-silver hill — a city in central Maryland, near Washington, D.C.
  • summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
  • summative assessment — general assessment of a pupil's achievements over a range of subjects by means of a combined appraisal of formative assessments
  • sunday-go-to-meeting — most presentable; best: Sunday-go-to-meeting clothes.
  • 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 founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
  • the garment industry — the manufacturing of items of clothing
  • the naughty nineties — (in Britain) the 1890s, considered to be a period of fun-loving and laxity, esp in sexual morals
  • the thousand guineas — an annual horse race, restricted to fillies, run at Newmarket since 1814
  • thioantimonious acid — any of a group of hypothetical acids, H3SbS3, HSbS2, and H4Sb2S5, known only in the forms of their salts in solution
  • to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
  • to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
  • to get your bearings — to find out where one is or to find out what one should do next
  • to put it to sb that — If you put it to someone that something is true, you suggest that it is true, especially when you think that they will be unwilling to admit this.
  • to spread your wings — If you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience.
  • to use shock tactics — to attempt to influence people by shocking them
  • tobacco mosaic virus — a retrovirus causing mosaic disease in members of the nightshade family. Abbreviation: TMV.
  • treasury certificate — an obligation of the U.S. government represented by certificates in denominations ranging from $1000 to $1,000,000, maturing in one year or less with interest periodically payable by the redemption of coupons.
  • troilus and cressida — a satiric comedy (1598–1602?) by Shakespeare.
  • tropical disturbance — a very weak, or incipient, tropical cyclone.
  • trustee savings bank — a British financial institution which offered savings facilities for small investors and was managed by unpaid trustees. Depositors had no voting rights and no say in financial or managerial matters. The bank is now a public limited company with the same rights and services as other banks and only retains the title in the abbreviated form TSB.
  • tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
  • twelve-string guitar — an acoustic guitar having twelve strings instead of six, with each pair tuned an octave apart, and more difficult to play than the standard guitar.
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