15-letter words containing a, p, r, o, c
- pulmobranchiate — possessing a pulmobranch
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- pyrogallic acid — pyrogallol
- pyrogallic-acid — a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (OH) 3 , obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions.
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- pyrotechnically — in a pyrotechnical manner
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- rack-and-pinion — of or relating to a mechanism in which a rack engages a pinion: rack-and-pinion steering.
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation
- rape of lucrece — a narrative poem (1594) by Shakespeare.
- raw-pack method — cold pack (def 2).
- rear projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- rear-projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- reconceptualize — to form into a concept; make a concept of.
- reincorporation — the act of incorporating or the state of being incorporated.
- renal corpuscle — Malpighian body (sense 2)
- reported clause — A reported clause is a subordinate clause that indicates what someone said or thought. For example, in 'She said that she was hungry', 'she was hungry' is a reported clause.
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- respecification — the act of specifying.
- retail politics — a political strategy or campaign style of meeting and speaking directly to as many voters as possible: New Hampshire is a state where retail politics are decisive. Not every candidate is good at retail politics.
- rhombencephalon — the hindbrain.
- rocket airplane — an airplane propelled wholly or mainly by a rocket engine.
- royal poinciana — a tree, Delonix regia, of the legume family, native to Madagascar, having showy clusters of brilliant scarlet flowers and long, flat, woody pods.
- sale of produce — the selling of something that is produced, esp agricultural products
- samuel prescott — Samuel, 1751–77, U.S. patriot during the American Revolution: rode with Paul Revere and William Dawes to warn Colonists that British troops were marching from Boston, April 18, 1775.
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- sarcoptic mange — mange caused by burrowing mites of the genus Sarcoptes.
- schopenhauerian — Arthur [ahr-too r] /ˈɑr tʊər/ (Show IPA), 1788–1860, German philosopher.
- schopenhauerism — the philosophy of Schopenhauer, who taught that only the cessation of desire can solve the problems arising from the universal impulse of the will to live.
- scrape together — to deprive of or free from an outer layer, adhering matter, etc., or to smooth by drawing or rubbing something, especially a sharp or rough instrument, over the surface: to scrape a table to remove paint and varnish.
- scratching post — a block or post of wood, usually covered with carpeting, on which a cat can use its claws.
- secondary group — a group of people with whom one's contacts are detached and impersonal.
- self-proclaimed — to announce or declare in an official or formal manner: to proclaim war.
- separate school — (in Canada) a school for a large religious minority financed by its rates and administered by its own school board but under the authority of the provincial department of education
- shock probation — the release on probation of a criminal after brief imprisonment
- shopping arcade — a place where a number of shops are connected together under one roof
- shrimp cocktail — prawns and lettuce in Mary Rose sauce
- simple fraction — a ratio of two integers.
- 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.
- 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.
- 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.
- 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.