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15-letter words containing o, n, s, t, r

  • spanish trefoil — alfalfa.
  • sparcstation 10 — (computer)   A SPARCStation with a 4-way associative data cache and a five-way associative instruction cache. The 10/31, 10/41 and 10/51 also have a secondary cache not present on earlier SPARCStations.
  • sparcstation 20 — (computer)   A SPARCStation based on the HyperSPARC processor. The 20 is compatible with the earlier SPARCstation 10. It has a clock rate of 100MHz and delivers a SPECfp92 of 127.6. The SPARCstation 20 Model 71 and 712MP uses the 75MHz SuperSPARC processors that give a 35% and 14% boost to SPECint92 and SPECfp92 respectively compared to the 61/612MP.
  • spare no effort — do all you can
  • spark generator — an alternating-current power source with a condenser discharging across a spark gap.
  • speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
  • spermatogenesis — the origin and development of spermatozoa.
  • spheroidization — the conversion of grains into spheroids
  • spiral notebook — a notebook held together by a coil of wire passed through small holes punched at the back edge of the covers and individual pages
  • spirits of wine — alcohol (def 1).
  • sport one's oak — to shut this door as a sign one does not want visitors
  • sporting chance — an even or fair opportunity for a favorable outcome in an enterprise, as winning in a game of chance or in any kind of contest: They gave the less experienced players a sporting chance by handicapping the experts.
  • 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.
  • st.-john's-wort — any of various plants or shrubs of the genus Hypericum, having yellow flowers and transparently dotted leaves.
  • stage direction — an instruction written into the script of a play, indicating stage actions, movements of performers, or production requirements.
  • stamping ground — a habitual or favorite haunt.
  • stand to reason — a basis or cause, as for some belief, action, fact, event, etc.: the reason for declaring war.
  • standard dollar — the basic monetary unit of the U.S., since January 31, 1934, containing 15.2 grains of gold, 0.900 fine: previously contained 25.8 grains of gold, 0.900 fine.
  • 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.
  • star attraction — the main or most popular attraction, as of a tourist destination, etc
  • star connection — a connection used in a polyphase electrical device or system of devices in which the windings each have one end connected to a common junction, the star point, and the other end to a separate terminal
  • star-nosed mole — a North American mole, Condylura cristata, having a starlike ring of fleshy processes around the end of the snout.
  • start something — to cause a disturbance or trouble
  • starting blocks — the rigid blocks adjustable at an angle and mounted on a track against which a runner's shoes are placed to aid in starting
  • starting pistol — a pistol used to give the signal to start a race
  • starvation diet — insufficient food to stay alive
  • station officer — a person who is in charge of a fire station
  • stationary wave — standing wave.
  • steam generator — steam-producing power plant
  • steam reforming — a process in which methane from natural gas is heated, with steam, usually with a catalyst, to produce a mixture of carbon monoxide and hydrogen used in organic synthesis and as a fuel
  • steering column — the shaft that connects the steering wheel to the steering gear assembly of an automotive vehicle.
  • steroidogenesis — the formation of steroids, as by the adrenal cortex, testes, and ovaries.
  • stillson wrench — a large wrench having adjustable jaws that tighten as the pressure on the handle is increased
  • stilpnosiderite — a resinous variety of limonite with a black-brown colour
  • stocking filler — A stocking filler is a small present that is suitable for putting in a Christmas stocking.
  • stomping ground — a habitual or favorite haunt.
  • stone the crows — an expression of surprise, dismay, etc
  • stony meteorite — any of various meteorites composed mainly of rock-forming silicates, especially olivine, plagioclase, and pyroxene, and classified as achondrites or chondrites.
  • storm insurance — insurance cover against damage caused by windstorms
  • strait of canso — a channel in Canada, between the Nova Scotia mainland and S Cape Breton Island
  • strait of tiran — a strait between the Gulf of Aqaba and the Red Sea. Length: 16 km (10 miles). Width: 8 km (5 miles)
  • strawberry roan — a horse with a reddish coat that is liberally flecked with white hairs.
  • streamline flow — the flow of a fluid past an object such that the velocity at any fixed point in the fluid is constant or varies in a regular manner.
  • stress position — an enforced body position, applied esp in the interrogation of detainees, which causes the victim pain by concentrating a large amount of his or her weight on a small number of muscles, joints, etc
  • stretch a point — a sharp or tapering end, as of a dagger.
  • string together — arrange coherently
  • strobe lighting — a high-intensity flashing beam of light produced by rapid electrical discharges in a tube or by a perforated disc rotating in front of an intense light source: used in discotheques, etc
  • strontium oxide — a white insoluble solid substance used in making strontium salts and purifying sugar. Formula: SrO
  • structural iron — iron shaped for use in construction.
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