20-letter words containing p, u, r, s, a, n
- rotations per minute — revolutions per minute
- santa cruz operation — (SCO) A supplier of Unix systems for Intel microprocessors. They supply Xenix and Open Desktop. Founded in 1979, SCO became a public company in May, 1993 and trades on the Nasdaq National Market System under the symbol SCOC. SCO maintains its world headquarters in Santa Cruz, California, USA; a European headquarters in Watford, England; a Government Systems Group in Reston, Virginia; and offices in Asia, Australia, Canada, Latin America, and throughout Europe and the United States. In February 1993, SCO acquired IXI Limited of Cambridge, England, the leading supplier of Unix System windowing software.
- south american plate — a major tectonic division of the earth's crust, comprising the continent of South America and several ocean basins and bounded on the north by the Caribbean Plate, on the east by the Mid-Atlantic Ridge, on the west by a submarine trench that borders the western coast of the continent, and on the south by the Antarctic Plate.
- south temperate zone — the part of the earth's surface between the tropic of Capricorn and the Antarctic Circle.
- spontaneous abortion — miscarriage (def 1).
- spontaneous recovery — the reappearance of a response after its extinction has been followed by a period of rest
- spontaneous-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- square of opposition — a diagrammatic representation of the opposition of categorical propositions.
- ste. anne de beaupre — a village in S Quebec, in SE Canada, on the St. Lawrence, NE of Quebec: Roman Catholic shrine.
- subscription library — a commercial lending library
- supersonic transport — a commercial jet airplane that can fly faster than the speed of sound. Abbreviation: SST.
- supplementary angles — either of two angles that added together produce an angle of 180°.
- throw up one's hands — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- to spread your wings — If you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience.
- transposed conjugate — adjoint (def 2).
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
- turn an honest penny — to earn money fairly and honestly