15-letter words containing p, a, r, o
- sinorespiratory — of, relating to, or affecting the paranasal sinuses and the respiratory tract.
- 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.
- 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 morocco — French Maroc. Spanish Marruecos. a kingdom in NW Africa: formed from a sultanate that was divided into two protectorates (French Morocco and Spanish Morocco) and an international zone. 172,104 sq. mi. (445,749 sq. km). Capital: Rabat. Compare Tangier Zone.
- 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.
- spawning ground — a place where fish deposit their eggs for fertilization
- 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
- 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
- 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.
- 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.
- spread the word — make others aware
- 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
- 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.
- studio portrait — a photograph of a person taken in a studio
- 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.
- 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
- sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
- sumatra camphor — borneol.
- 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
- sweep the board — (in gambling) to win all the cards or money
- system operator — a person who maintains a computer system or network, especially one who operates a computer bulletin board.