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21-letter words containing o, p, r, t

  • snr bandwidth product — (communications)   The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
  • social anthropologist — an anthropologist who deals with cultural and social phenomena such as kinship systems or beliefs, esp of nonliterate peoples
  • 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
  • socialist labor party — a U.S. political party, organized in 1874, advocating the peaceful introduction of socialism.
  • 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.
  • space shuttle orbiter — orbiter (def 1).
  • 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
  • special court-martial — a court-martial established to try violations of military law less serious than those tried by a general court-martial but more serious than those tried by a summary court-martial.
  • 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.
  • sport utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
  • sport-utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
  • st. christopher-nevis — St. Kitts-Nevis.
  • stabilization-process — the act or process of stabilizing or the state of being stabilized.
  • statutory corporation — a company or other body set up by statute
  • 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.
  • strachey, christopher — Christopher Strachey
  • structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
  • 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.
  • 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
  • tape operating system — (operating system)   (TOS) An IBM operating system for System 360, used in the early days around 1965 to support the IBM 360 model 30 et al. TOS was a predecessor to IBM's Disk Operating System. TOS died out really early as disks such as the 2311 and 2314 became common with the IBM 360 whereas thet had been a real luxury on the IBM 7090.
  • temperature inversion — inversion (def 12).
  • tenure track position — a position or office that carries with it the opportunity to eventually obtain tenure or the right to permanent employment
  • terrestrial telescope — a refracting telescope having inverting lenses or an eyepiece that presents an erect image.
  • the acting profession — actors considered as a group
  • the apple of your eye — If you say that someone is the apple of your eye, you mean that they are very important to you and you are extremely fond of them.
  • the central provinces — the Canadian provinces of Ontario and Quebec
  • the cream of the crop — You can refer to the best people or things of a particular kind as the cream of the crop.
  • the end of one's rope — the end of one's endurance, resources, etc.
  • the joker in the pack — If you describe someone or something as the joker in the pack, you mean that they are different from the other people or things in their group, and can be unpredictable.
  • the oldest profession — prostitution
  • the origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
  • the press association — the national news agency for the United Kingdom and Ireland
  • the probation service — a criminal justice service that is mainly responsible for dealing with offenders by placing them under the supervision of a probation officer
  • the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
  • theater of operations — the part of the theater of war, including a combat zone and a communications zone, that is engaged in military operations and their support.
  • theoretical physicist — a scientist who studies theoretical physics
  • therapeutic community — a group-based form of therapy for mental disorders, sometimes residential
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