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15-letter words containing d, o, r, s, i

  • social-drinking — a person who drinks alcoholic beverages usually in the company of others and is in control of his or her drinking.
  • 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 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 fluoride — a colorless, crystalline, water-soluble, poisonous solid, NaF, used chiefly in the fluoridation of water, as an insecticide, and as a rodenticide.
  • 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 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.
  • solar radiation — energy radiated from the sun in the form of electromagnetic waves, including visible and ultraviolet light and infrared radiation.
  • 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.
  • somerset island — an island in the Arctic Ocean in Nunavut, Canada, NW of Baffin Island. 9594 sq. mi. (24,848 sq. km).
  • 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 recordist — recordist.
  • sounding rocket — a rocket equipped with instruments for making meteorological observations in the upper atmosphere.
  • spawning ground — a place where fish deposit their eggs for fertilization
  • speech disorder — an inability to produce normal speech
  • speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
  • sphaerosiderite — a type of siderite
  • spheroidization — the conversion of grains into spheroids
  • sports medicine — a field of medicine concerned with the functioning of the human body during physical activity and with the prevention and treatment of athletic injuries.
  • stage direction — an instruction written into the script of a play, indicating stage actions, movements of performers, or production requirements.
  • stamford bridge — a village in N England, east of York: site of a battle (1066) in which King Harold of England defeated his brother Tostig and King Harald Hardrada of Norway, three weeks before the Battle of Hastings
  • stamping ground — a habitual or favorite haunt.
  • standardization — to bring to or make of an established standard size, weight, quality, strength, or the like: to standardize manufactured parts.
  • standing orders — Military. (formerly) a general order always in force in a command and establishing uniform procedures for it; standard operating procedure.
  • starvation diet — insufficient food to stay alive
  • steroidogenesis — the formation of steroids, as by the adrenal cortex, testes, and ovaries.
  • stilpnosiderite — a resinous variety of limonite with a black-brown colour
  • stomping ground — a habitual or favorite haunt.
  • storage disease — a metabolic disorder characterized by excessive storage in certain cells of normal metabolic intermediates, as fats, iron, and carbohydrates.
  • store detective — A store detective is someone who is employed by a shop to walk around the shop looking for people who are secretly stealing goods.
  • straightforward — going or directed straight ahead: a straightforward gaze.
  • strait of dover — a strait between SE England and N France, linking the English Channel with the North Sea. Width: about 32 km (20 miles)
  • strontium oxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
  • studio portrait — a photograph of a person taken in a studio
  • styloid process — a long, spinelike process of a bone, especially the projection from the base of the temporal bone.
  • sub-distributor — a person or thing that distributes.
  • subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
  • sulfur trioxide — an irritant, corrosive, low-melting solid, SO 3 , obtained by the oxidation of sulfur dioxide, used as an intermediate in the manufacture of sulfuric acid.
  • sulphur dioxide — a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2
  • sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
  • summer holidays — the time when children do not go to school in the summer
  • superconfidence — great or extreme confidence, overconfidence
  • superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
  • suppressor grid — an electrode placed between the screen grid and anode of a valve. Its negative potential, relative to both screen and anode, prevents secondary electrons from the anode reaching the screen
  • swiss army code — (programming, humour)   Code for an application that is suffering from feature creep. Swiss Army Code does many things, but does none of them well.
  • terminator seed — a seed that produces sterile plants, used in some genetically modified crops so that a new supply of seeds has to be bought every year
  • the cordilleras — the complex of mountain ranges on the W side of the Americas, extending from Alaska to Cape Horn and including the Andes and the Rocky Mountains
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