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21-letter words containing a, n, t, i, p, r

  • pyrenean mountain dog — a large heavily built dog of an ancient breed originally used to protect sheep from wild animals: it has a long thick white coat with a dense ruff
  • quadralay corporation — (company)   The developers of GWHIS. Telephone: +1 512-346-9199. Fax: +1 512-346-8990.
  • quality point average — grade point average.
  • quantum teleportation — a hypothetical technique to instantly transfer properties from one quantum system to another without contact, or to transfer a quantum state to an arbitrarily distant location.
  • real operating system — (operating system, abuse)   The sort the speaker is used to. People from the BSDophilic academic community are likely to issue comments like "System V? Why don't you use a *real* operating system?", people from the commercial/industrial Unix sector are known to complain "BSD? Why don't you use a *real* operating system?", and people from IBM object "Unix? Why don't you use a *real* operating system?" See holy wars, religious issues, proprietary, Get a real computer!.
  • reciprocal inhibition — the theory that the pairing of an anxiety-provoking stimulus with anxiety-reducing reactions will weaken the association between the stimulus and the anxiety.
  • reconnaissance patrol — a patrol made by soldiers in order to obtain military information about a particular place
  • redwood national park — a national park in N California: redwood forest with some of the world's tallest trees. 172 sq. mi. (445 sq. km).
  • reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
  • 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.
  • replacement algorithm — The method used to determine which entry in an associative cache to flush to main memory when it is desired to cache a new block of data. The "least recently used" algorithm flushed the block which has not been accessed for the longest time. A random replacement algorithm picks any block with equal probability.
  • 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.
  • sampling distribution — the distribution of a statistic based on all possible random samples that can be drawn from a given population.
  • 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.
  • scalar multiplication — an operation used in the definition of a vector space in which the product of a scalar and a vector is a vector, the operation is distributive over the addition of both scalars and vectors, and is associative with multiplication of scalars
  • schlieren photography — a type of photography which records schlieren
  • sequoia national park — a national park in central California: giant sequoia trees. 604 sq. mi. (1565 sq. km).
  • 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.
  • 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.
  • snap one's fingers at — any of the terminal members of the hand, especially one other than the thumb.
  • 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
  • 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.
  • 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
  • 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
  • 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.
  • sympathetic vibration — a vibration induced by resonance.
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