20-letter words containing a, p, u, n, t
- requiescat (in pace) — may he or she rest (in peace)
- respiratory quotient — the ratio of the amount of carbon dioxide released by the lungs to the amount of oxygen taken in during a given period.
- rocky mountain sheep — bighorn.
- rotations per minute — revolutions per minute
- rub up the wrong way — to arouse anger (in); annoy
- 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.
- soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
- 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.
- space-time continuum — Also called space-time continuum. the four-dimensional continuum, having three spatial coordinates and one temporal coordinate, in which all physical quantities may be located.
- specific conductance — conductivity (def 2).
- specific-conductance — conductivity (def 2).
- 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.
- subpoena duces tecum — a writ directing a person to appear in court and to bring some document described in the writ.
- subscription library — a commercial lending library
- supersonic transport — a commercial jet airplane that can fly faster than the speed of sound. Abbreviation: SST.
- supplemental plumage — the third plumage assumed by certain birds having three different plumages in their annual cycle of molts.
- supplementary angles — either of two angles that added together produce an angle of 180°.
- take up a collection — to get into one's hold or possession by voluntary action: to take a cigarette out of a box; to take a pen and begin to write.
- take up the gauntlet — to accept a challenge
- temperature gradient — rate of change of temperature with distance.
- therapeutic abortion — abortion performed when a woman's pregnancy endangers her health.
- 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 bring up the rear — If a person or vehicle is bringing up the rear, they are the last person or vehicle in a moving line of them.
- to clean up your act — If someone who has been behaving badly cleans up their act, they start to behave in a more acceptable or responsible way.
- to keep your balance — If you keep your balance, for example, when standing in a moving vehicle, you remain steady and do not fall over. If you lose your balance, you become unsteady and fall over.
- to keep your hand in — If you do something to keep your hand in, you practise a skill or hobby occasionally in order to remain fairly good at it.
- to make up your mind — If you make up your mind or make your mind up, you decide which of a number of possible things you will have or do.
- to put an end to sth — To put an end to something means to cause it to stop.
- 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
- united arab republic — a name given the union of Egypt and Syria from 1958 to 1961; after that, the official name of Egypt alone until 1971. Abbreviation: U.A.R.
- upper income bracket — a grouping of the highest earning tax payers
- war production board — the board (1942–45) that supervised and regulated the production and sale of matériel essential to the logistics of World War II. Abbreviation: WPB, W.P.B.
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.