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21-letter words containing p, r, e, t, n, s

  • reconnaissance patrol — a patrol made by soldiers in order to obtain military information about a particular place
  • repatriation expenses — Repatriation expenses are the costs involved in transporting a claimant or their body back to their own country after they have been injured or killed in a foreign country.
  • residual unemployment — the unemployment that remains in periods of full employment, as a result of those mentally, physically, or emotionally unfit to work
  • reverse polish syntax — postfix notation
  • reverse transcriptase — a retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering to clone genes from RNA strands.
  • roll with the punches — a thrusting blow, especially with the fist.
  • sanitation department — the department of local government responsible for collecting and disposing of refuse
  • sao tome and principe — Democratic Republic of, a republic in W Africa, comprising the islands of São Tomé and Príncipe, in the Gulf of Guinea, N of the equator: a former overseas province of Portugal; gained independence in 1975. 372 sq. mi. (964 sq. km). Capital: São Tomé.
  • saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
  • sb/sth reigns supreme — Someone or something that reigns supreme is the most important or powerful element in a situation or period of time.
  • schlieren photography — a type of photography which records schlieren
  • school superintendent — an official whose job is to oversee school administration within a district
  • science correspondent — a newspaper or television journalist who specializes in reporting on new discoveries in science
  • scientific empiricism — the philosophy that there are no real differences between the sciences.
  • sequoia national park — a national park in central California: giant sequoia trees. 604 sq. mi. (1565 sq. km).
  • she stoops to conquer — a comedy (1773) by Oliver Goldsmith.
  • sheppard's correction — a method of correcting the bias in standard deviations and higher moments of distributions that arises from grouping values of the variable.
  • shut-in pressure test — A shut-in pressure test is a pressure test which is carried out after the well has been closed off for a particular time.
  • simple actor language — (language)   (SAL) A minimal actor language, used for teaching in:
  • single parent benefit — a form of government funded financial assistance paid to single parents
  • single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
  • sinusoidal projection — an equal-area projection in which parallels are straight lines spaced at regular intervals, the central meridian is a straight line one-half the length of the equator, and the other meridians are curves symmetrical to the central meridian.
  • skop, skiet en donder — violent action and melodramatic adventure in a film
  • snap one's fingers at — any of the terminal members of the hand, especially one other than the thumb.
  • social inquiry report — (in Britain) a report on a person and his or her circumstances, which may be required by a court before sentencing and is made by a probation officer or a social worker from a local authority social services department
  • somatotrophic-hormone — a hormone secreted by the anterior pituitary gland, that stimulates growth in humans.
  • south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
  • spark ignition engine — A spark ignition engine is an engine running on the Otto cycle.
  • special correspondent — a journalist who covers stories firsthand from a war zone
  • spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
  • spin angular momentum — to make (yarn) by drawing out, twisting, and winding fibers: Pioneer women spun yarn on spinning wheels.
  • spirits of turpentine — oil of turpentine.
  • splice the main brace — to join together or unite (two ropes or parts of a rope) by the interweaving of strands.
  • split-finger fastball — a type of fastball that sinks abruptly as it nears home plate, thrown with the grip used for a forkball
  • split-screen facility — a facility allowing different scenes to be shown on screen at the same time
  • st. christopher-nevis — St. Kitts-Nevis.
  • stabilization-process — the act or process of stabilizing or the state of being stabilized.
  • steady-state response — A steady-state response is the behavior of a circuit after a long time when steady conditions have been reached after an external excitation.
  • step-down transformer — a device that transfers an alternating current from one circuit to one or more other circuits with a decrease of voltage
  • stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
  • stop loss reinsurance — Stop loss reinsurance is a form of reinsurance under which the reinsurer pays the cedant's losses in any year over a particular percentage of the earned premium.
  • student participation — the extent to which students participate or involve themselves in a class, course, etc
  • subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
  • sun protection factor — SPF.
  • supergranulation cell — one of a number of large convection cells in the photosphere and chromosphere of the sun, each having a diameter of 10,000–20,000 miles (16,000–32,000 km) and lasting longer than a day.
  • supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
  • surface of projection — the surface upon which an image or a set of points is projected.
  • sweet spirit of nitre — ethyl nitrite spirit.
  • sympathetic vibration — a vibration induced by resonance.
  • take someone prisoner — to capture and hold someone as a prisoner, esp as a prisoner of war
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