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19-letter words containing s, i, d, o

  • screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
  • sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
  • sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
  • secondary dentition — the permanent dentition
  • secondary education — education at high-school level
  • secondary infection — an infection resulting from another infection
  • secondary intention — See under intention (def 5b).
  • secondary picketing — the picketing by strikers of a place of work that supplies goods to or distributes goods from their employer
  • secondary qualities — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • secondary-intention — an act or instance of determining mentally upon some action or result.
  • self identification — identification of oneself with some other person or thing.
  • self-administration — the management of any office, business, or organization; direction.
  • self-discrimination — an act or instance of discriminating, or of making a distinction.
  • self-identification — identification of oneself with some other person or thing.
  • sell down the river — a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels.
  • semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
  • semipalmated plover — a New World plover, Charadrius semipalmatus, having a black ring around the chest and semipalmate feet, inhabiting beaches and salt marshes.
  • senatorial district — one of a fixed number of districts into which a state of the U.S. is divided, each electing one member to the state senate.
  • sensory deprivation — the experimental or natural reduction of environmental stimuli, as by physical isolation or loss of eyesight, often leading to cognitive, perceptual, or behavioral changes, as disorientation, delusions, or panic.
  • sessional indemnity — the remuneration paid to a member of the Canadian parliament.
  • sexual reproduction — reproduction involving the union of gametes.
  • sharp-tailed grouse — a grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail.
  • sheet flood erosion — Geology. erosion by sheets of running water, rather than by streams.
  • ship-to-shore radio — a radio that carries communications between land and sea
  • sidereal hour angle — the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body.
  • simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
  • simple closed curve — a curve that is closed and that has no loops or points missing; a curve for which there exists a homeomorphism mapping it to a circle.
  • single edge contact — (hardware)   (SEC) The type of cartridge in which a Pentium II is packaged.
  • slip someone's mind — to move, flow, pass, or go smoothly or easily; glide; slide: Water slips off a smooth surface.
  • smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
  • socialized medicine — any of various systems to provide the entire population with complete medical care through government subsidization and regularization of medical and health services.
  • sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
  • sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
  • sodium metasilicate — a white, granular sodium silicate, Na 2 SiO 3 , soluble in water: used in detergents and in bleaching and cleaning products.
  • sodium thiosulphate — a white soluble substance used, in the pentahydrate form, in photography as a fixer to dissolve unchanged silver halides and also to remove excess chlorine from chlorinated water. Formula: Na2S2O3
  • solid of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
  • solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
  • south african dutch — the Boers.
  • sow one's wild oats — any uncultivated species of Avena, especially a common weedy grass, A. fatua, resembling the cultivated oat.
  • speeding conviction — a conviction for breaking the speed limit while driving a vehicle
  • split-second timing — timing that depends on minute precision
  • spotted wintergreen — an evergreen plant, Chimaphila maculata, of central North America, having leaves with mottled-white veins and white, fragrant flowers.
  • spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
  • staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
  • stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
  • stand in good stead — the place of a person or thing as occupied by a successor or substitute: The nephew of the queen came in her stead.
  • standing broad jump — a jump for distance from a standing position.
  • stanford university — (education)   A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
  • stanford-binet test — a revised version of the Binet-Simon scale, prepared at Stanford University for use in the U.S.
  • stanislavski method — method (def 5).
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