15-letter words containing o, t, p, r
- slide projector — device for showing slides
- slumpflationary — of or relating to slumpflation
- soapbox oratory — public speaking typical of soapbox orators
- socialist party — a U.S. political party advocating socialism, formed about 1900 chiefly by former members of the Social Democratic Party and the Socialist Labor Party.
- sole proprietor — only owner
- somatic therapy — any of a group of treatments presumed to act on biological factors leading to mental illness.
- southern paiute — See under Paiute (def 2).
- 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.
- 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.
- spermatoblastic — relating to a spermatoblast
- spermatogenesis — the origin and development of spermatozoa.
- sphaerosiderite — a type of siderite
- spheroidization — the conversion of grains into spheroids
- spill your guts — If someone spills their guts, they tell you everything about something secret or private.
- 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 salt — a solution of hydrochloric acid in water
- spirits of wine — alcohol (def 1).
- spirochaetaemia — the presence of spirochaetes in the blood
- 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.
- sports reporter — journalist who covers sports events
- spread the word — make others aware
- st. christopher — Saint, died a.d. c250, Christian martyr.
- stamping ground — a habitual or favorite haunt.
- staphylorrhaphy — repair of a cleft palate by means of staphyloplasty and suturing
- starting pistol — a pistol used to give the signal to start a race
- steak au poivre — pepper steak (def 2).
- stereotypically — in a stereotypical manner
- stilpnosiderite — a resinous variety of limonite with a black-brown colour
- stomping ground — a habitual or favorite haunt.
- stop-loss order — an order from a customer to a broker to sell a security if the market price drops below a designated level.
- 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.
- 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.
- studhorse poker — stud poker.
- 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-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.
- subject pronoun — pronoun in nominative case
- 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.
- subreptitiously — in a subreptitious manner
- substratosphere — the upper troposphere.