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21-letter words containing n, a, p, y

  • irish republican army — an underground Irish nationalist organization founded to work for Irish independence from Great Britain: declared illegal by the Irish government in 1936, but continues activity aimed at the unification of the Republic of Ireland and Northern Ireland. Abbreviation: IRA, I.R.A.
  • isopropylideneacetone — mesityl oxide.
  • junior varsity sports — sports played at the second highest rank for university sports, ranking first after varsity
  • limit-proportionality — elastic limit.
  • magnetic permeability — permeability (def 2).
  • magnetoplasmadynamics — magnetohydrodynamics.
  • manufacturing company — a company that manufactures goods
  • miniature photography — photography with a camera using film that is 35 millimeters wide or less.
  • multilayer perceptron — A network composed of more than one layer of neurons, with some or all of the outputs of each layer connected to one or more of the inputs of another layer. The first layer is called the input layer, the last one is the output layer, and in between there may be one or more hidden layers.
  • olympic national park — a national park in NW Washington. 1323 sq. mi. (3425 sq. km).
  • open graphics library — (graphics, library)   (OpenGL) A multi-platform software interface to graphics hardware, supporting rendering and imaging operations. The OpenGL interface was developed by Silicon Graphics, who license it to other vendors. The OpenGL graphics interface consists of several hundred functions operating on 2D and 3D objects, supporting basic techniques, such as modelling and smooth shading, and advanced techniques, such as texture mapping and motion blur. Many operations require a frame buffer. OpenGL is network-transparent, and a common extension to the X Window System allows an OpenGL client to communicate across a network with a different vendor's OpenGL server. OpenGL is based on Silicon Graphics' proprietary IRIS GL.
  • parliamentary inquiry — a question asked of the presiding officer of a parliament in relation to parliamentary law
  • pdp assembly language — (language)   (PAL) The assembly language for the PDP-8 and PDP-11.
  • pentamethylenediamine — cadaverine.
  • personality inventory — a questionnaire designed to measure personality types or characteristics.
  • physical anthropology — the branch of anthropology dealing with the evolutionary changes in human anatomy and physiology, using mensurational and descriptive techniques.
  • physically challenged — See example at challenged (def 1).
  • physician's assistant — a person trained to perform under the supervision of a physician many clinical procedures traditionally performed by a physician, as diagnosing and treating minor ailments. Abbreviation: PA.
  • play one's cards well — to use one's resources in the most effective manner
  • play russian roulette — take a foolish risk
  • pneumoencephalography — encephalography.
  • politically incorrect — not politically correct; potentially offensive to a particular group of people: politically incorrect jokes.
  • polygenic inheritance — the heredity of complex characters that are determined by a large number of genes, each one usually having a relatively small effect.
  • potassium thiocyanate — a colorless, crystalline, hygroscopic, water-soluble solid, KSCN, used chiefly in the manufacture of chemicals, dyes, and drugs.
  • prader-willi syndrome — a congenital condition characterized by obsessive eating, obesity, learning difficulties, and small genitalia
  • premenstrual syndrome — a complex of physical and emotional changes, including depression, irritability, appetite changes, bloating and water retention, breast soreness, and changes in muscular coordination, one or more of which may be experienced in the several days before the onset of menstrual flow. Abbreviation: PMS.
  • privacy enhanced mail
  • psychomotor agitation — agitation (def 3).
  • psychomotor-agitation — the act or process of agitating; state of being agitated: She left in great agitation.
  • pulmonary circulation — the circulation of blood from the heart to the lungs for oxygenation and back to the heart.
  • pulse height analyser — a multichannel analyser that sorts pulses into selected amplitude ranges
  • pulse height analyzer — an instrument that records or counts an electrical pulse if its amplitude falls within specified limits: used in nuclear physics research for the determination of energy spectra of nuclear radiations
  • pure imaginary number — a complex number of the form iy where y is a real number and i = .
  • put in the hard yards — to make a great effort to achieve an end
  • 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.
  • 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!.
  • rectangular hyperbola — a hyperbola with perpendicular asymptotes
  • redevelopment company — a private corporation or a public agency that stimulates the improvement of land, as through a building project subject to certain designs and controls, by financing, selling, or leasing such real estate to interested buyers or lessees.
  • reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
  • 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
  • sales finance company — a finance company that purchases, at a discount, installment contracts from dealers or that finances retail sales.
  • schlieren photography — a type of photography which records schlieren
  • seven-segment display — (electronics)   (SSD) A kind of display element consisting of seven independently controllable lines arranged as a rectangular figure eight. A seven-segment display is the simplest device that can display any of the digits zero to nine (and some other characters) by lighting different combinations of lines. They are often seen in electronic calculators or measuring equipment.
  • snappy video snapshot — (hardware)   (registered trademark) A frame grabber for the IBM PC designed and marketed by Play, Inc..
  • 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
  • split-screen facility — a facility allowing different scenes to be shown on screen at the same time
  • statutory corporation — a company or other body set up by statute
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