15-letter words containing s, t, a, n, o
- spark generator — an alternating-current power source with a condenser discharging across a spark gap.
- speaking of sth — You can say speaking of something that has just been mentioned as a way of introducing a new topic which has some connection with that thing.
- special edition — newspaper, magazine: extra issue
- 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
- spit and polish — great care in maintaining smart appearance and crisp efficiency: The commander was concerned more with spit and polish than with the company's morale.
- spontaneousness — coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned: a spontaneous burst of applause.
- 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.
- spotted cowbane — a North American water hemlock, Cicuta maculata, of the parsley family, having a purple-mottled stem, white flowers, and deadly poisonous, tuberlike roots.
- stable equation — a differential equation each solution of which tends to zero as the independent variable increases to infinity. Compare transient (def 6).
- 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 in awe of — to respect and fear
- stand to reason — a basis or cause, as for some belief, action, fact, event, etc.: the reason for declaring war.
- stand-up comedy — telling jokes to an audience
- 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
- state education — education provided by the state; education which is not private
- station officer — a person who is in charge of a fire station
- stationary wave — standing wave.
- status quo ante — the state of affairs existing prior to a given event
- 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
- step on the gas — accelerate, drive faster
- stop at nothing — to be prepared to do anything; be unscrupulous or ruthless
- 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.
- stretch a point — a sharp or tapering end, as of a dagger.
- structural iron — iron shaped for use in construction.
- studio audience — spectators on a TV set
- sub-corporation — an association of individuals, created by law or under authority of law, having a continuous existence independent of the existences of its members, and powers and liabilities distinct from those of its members. See also municipal corporation, public corporation.
- subalimentation — hypoalimentation.
- subcivilization — a division of a civilization
- subconjunctival — the mucous membrane that lines the exposed portion of the eyeball and inner surface of the eyelids.
- subcontraoctave — the octave below the contraoctave, which is three octaves below the middle C octave on a standard keyboard
- suboptimization — a situation which is less than optimal