15-letter words containing e, s, p, a, o
- sostenuto pedal — a pedal on a grand piano that raises the dampers, allowing the tone to be sustained for those strings struck at the time the pedal is depressed.
- southern paiute — See under Paiute (def 2).
- space telescope — a satellite put in orbit around the earth and equipped with an extremely accurate reflecting telescope, cameras, etc.: it is designed to relay astronomical data to the earth
- spanish bayonet — any of certain plants belonging to the genus Yucca, of the agave family, having narrow, spine-tipped leaves and a cluster of white flowers.
- spanish trefoil — alfalfa.
- spare no effort — do all you can
- 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
- special session — a session, as of a legislature or council, called to meet in addition to those held regularly.
- spectator sport — any sport that can be watched by spectators, as football or basketball, usually for a fee.
- spectrochemical — of, relating to, or utilizing the techniques of spectrochemistry.
- speed indicator — an instrument for counting the number of revolutions of a gasoline engine.
- spell a paddock — to give a field a rest period by letting it lie fallow
- spermatoblastic — relating to a spermatoblast
- spermatogenesis — the origin and development of spermatozoa.
- sphaerosiderite — a type of siderite
- 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
- spirochaetaemia — the presence of spirochaetes in the blood
- splanchnopleure — the double layer formed by the association of the lower layer of the lateral plate of mesoderm with the underlying entoderm, which develops into the embryonic viscera.
- 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.
- spread the word — make others aware
- stand-up comedy — telling jokes to an audience
- steak au poivre — pepper steak (def 2).
- step on the gas — accelerate, drive faster
- stereotypically — in a stereotypical manner
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- streptobacillus — any of various bacilli that form in chains.
- stretch a point — a sharp or tapering end, as of a dagger.
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subprofessional — being below professional standards: subprofessional health care.
- substratosphere — the upper troposphere.
- sulphinpyrazone — a uricosuric drug with molecular formula C23H20N2O3S, used in the treatment of chronic gout
- superexaltation — extreme or supreme exaltation; the act of superexalting; the process or condition of being superexalted
- superexcitation — the act of exciting.
- superior planet — any of the five planets whose orbits are outside the orbit of the earth, namely, the planets Mars, Jupiter, Saturn, Uranus, and Neptune.
- superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
- superpatriotism — the quality of being superpatriotic
- supplementation — the act or process of supplementing.
- swamp white oak — an oak, Quercus bicolor, of eastern North America, yielding a hard, heavy wood used in shipbuilding, for making furniture, etc.
- sweep the board — (in gambling) to win all the cards or money
- sympathetectomy — sympathectomy.
- sympathomimetic — mimicking stimulation of the sympathetic nervous system.
- system operator — a person who maintains a computer system or network, especially one who operates a computer bulletin board.
- take one's pick — If you are told to take your pick, you can choose any one that you like from a group of things.
- teng hsiao-ping — Deng Xiaoping.