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15-letter words containing s, i, d, e

  • simple pendulum — a hypothetical apparatus consisting of a point mass suspended from a weightless, frictionless thread whose length is constant, the motion of the body about the string being periodic and, if the angle of deviation from the original equilibrium position is small, representing simple harmonic motion (distinguished from physical pendulum).
  • simplicidentate — belonging or pertaining to the Simplicidentata, formerly regarded as a suborder or division of rodents having only one pair of upper incisor teeth.
  • single standard — a single set of principles or rules applying to everyone, as a single moral code applying to both men and women, especially in sexual behavior. Compare double standard.
  • single-breasted — (of a coat, jacket, etc.) having a front closure directly in the center with only a narrow overlap secured by a single button or row of buttons.
  • single-handedly — in a single-handed manner; single-handed.
  • single-sideband — of or pertaining to a system of radio transmission in which one of the two sidebands produced during modulation is suppressed
  • sinistrodextral — moving or extending from the left to the right.
  • sinoatrial node — a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions.
  • sistine madonna — a Madonna painted by Raphael for the Church of St. Sixtus at Piacenza, Italy.
  • sit in judgment — To sit in judgment means to decide whether or not someone is guilty of doing something wrong.
  • sit-down strike — a strike during which workers occupy their place of employment and refuse to work or allow others to work until the strike is settled.
  • sixth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, guaranteeing the right to a trial by jury in criminal cases.
  • slap and tickle — sexual play
  • sled cultivator — go-devil (def 5).
  • sleight of hand — skill in feats requiring quick and clever movements of the hands, especially for entertainment or deception, as jugglery, card or coin magic, etc.; legerdemain.
  • slide projector — device for showing slides
  • sliver building — a very narrow skyscraper designed in response to restriction of the building site or zoning, frequently containing only a single apartment per floor or comparably limited office space.
  • smoking-related — (of a disease, illness, etc) caused by smoking tobacco, etc
  • sneezing powder — a powder used to make people sneeze as a practical joke
  • social democrat — a person who advocates a gradual transition to socialism or a modified form of socialism by and under democratic political processes.
  • social distance — the extent to which individuals or groups are removed from or excluded from participating in one another's lives.
  • social spending — the money that is spent on welfare payments
  • society islands — a group of islands in the S Pacific: administratively part of French Polynesia; consists of the Windward Islands and the Leeward Islands; became a French protectorate in 1843 and a colony in 1880. Pop: 214 445 (2002). Area: 1595 sq km (616 sq miles)
  • socratic method — the use of questions, as employed by Socrates, to develop a latent idea, as in the mind of a pupil, or to elicit admissions, as from an opponent, tending to establish a proposition.
  • sodium arsenite — a white or grayish-white, water-soluble, poisonous powder, NaAsO 2 , used chiefly in arsenical soaps for hides, as an insecticide, and as a weed-killer.
  • sodium benzoate — a white crystalline soluble compound used as an antibacterial and antifungal agent in preserving food (E211), as an antiseptic, and in making dyes and pharmaceuticals. Formula: (C6H5COO)Na
  • sodium chlorate — a colorless, water-soluble solid, NaClO 3 , cool and salty to the taste, used chiefly in the manufacture of explosives and matches, as a textile mordant, and as an oxidizing and bleaching agent.
  • sodium chloride — salt1 (def 1).
  • sodium citrates — the sodium salts of citric acid (monosodium citrate, disodium citrate, trisodium citrate)
  • sodium ethylate — a white, hygroscopic powder, C 2 H 5 ONa, that is decomposed by water into sodium hydroxide and alcohol: used chiefly in organic synthesis.
  • sodium fluoride — a colorless, crystalline, water-soluble, poisonous solid, NaF, used chiefly in the fluoridation of water, as an insecticide, and as a rodenticide.
  • sodium monoxide — a white powder, Na 2 O, that reacts violently with water to produce sodium hydroxide.
  • sodium peroxide — a yellowish-white, hygroscopic, water-soluble powder, Na 2 O 2 , used chiefly as a bleaching agent and as an oxidizing agent.
  • sodium silicate — a substance having the general formula, Na2O.xSiO2, where x varies between 3 and 5, existing as an amorphous powder or present in a usually viscous aqueous solution
  • sodium stearate — Sodium stearate is a salt of stearic acid used as a surfactant (= a substance that reduces the surface tension of a liquid and allows it to foam) in order to aid the solubility of hydrophobic substances in oral medicines.
  • sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
  • soft-boiled egg — boiled egg with runny yolk
  • soldier's heart — cardiac neurosis.
  • soldier's medal — a medal awarded to any member of the Army of the United States, or of any military organization serving with it, who distinguishes himself or herself by heroism not involving conflict with an enemy.
  • solenoid switch — A solenoid switch is an electrical switch that is often used where a high current circuit, such as a starter motor circuit, is brought into operation by a low current switch.
  • solid injection — injection of fuel into an internal-combustion engine without an air blast.
  • somerset island — an island in the Arctic Ocean in Nunavut, Canada, NW of Baffin Island. 9594 sq. mi. (24,848 sq. km).
  • sophisticatedly — (of a person, ideas, tastes, manners, etc.) altered by education, experience, etc., so as to be worldly-wise; not naive: a sophisticated young socialite; the sophisticated eye of an experienced journalist.
  • soul-destroying — Activities or situations that are soul-destroying make you depressed, because they are boring or because there is no hope of improvement.
  • sound deadening — a process or material that reduces the resonance or volume of sound
  • sound recordist — recordist.
  • sounding rocket — a rocket equipped with instruments for making meteorological observations in the upper atmosphere.
  • spanish needles — (used with a singular or plural verb) a composite plant, Bidens bipinnata, having achenes with downwardly barbed awns.
  • special edition — newspaper, magazine: extra issue
  • special student — a student who is not seeking a degree but enrols in a course, esp to gain academic credits
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