22-letter words containing p, r, o, c, n
- nonspecular reflection — the diffuse reflection of sound or light waves
- oak processionary moth — a moth, (Thaumetopoea processionea), of the family Thaumetopoeidae, the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- object-oriented pascal — Object Pascal
- occupational therapist — professional who assists with rehabilitation
- oceanic whitetip shark — whitetip shark (def 2).
- open network computing — (ONC) Sun's network protocols.
- open source definition — (standard) (OSD) Definition of distribution terms for open source software, promoted by the Open Source Initiative.
- open source initiative — (body) (OSI) An organisation dedicated to managing and promoting the Open Source Definition for the good of the community.
- operating instructions — instructions on how to use something (such an electrical appliance, etc)
- out-of-body experience — a vivid feeling of being detached from one's body, usually involving observing it and its environment from nearby
- packet internet groper — ping
- para-aminobenzoic acid — part of the folic acid molecule, a white or yellowish, crystalline, slightly water-soluble solid, C 7 H 7 NO 2 , the para isomer of aminobenzoic acid: used chiefly in the manufacture of dyes and pharmaceuticals and in sunscreens to protect against ultraviolet light. Abbreviation: PABA.
- paranoid schizophrenia — severe psychiatric disorder
- parliamentary election — an election to select the members of a national parliament
- partnerships for peace — a subsidiary organization of NATO, comprising former Warsaw Pact countries that wish to be allied with NATO but have not been granted full NATO membership: established in 1994
- physiographic province — a geographic region in which climate and geology have given rise to an array of landforms different from those of surrounding regions.
- picture of dorian gray — a novel (1891) by Oscar Wilde.
- planck's radiation law — the law that energy associated with electromagnetic radiation, as light, is composed of discrete quanta of energy, each quantum equal to Planck's constant times the corresponding frequency of the radiation: the fundamental law of quantum mechanics.
- play one's cards right — a usually rectangular piece of stiff paper, thin pasteboard, or plastic for various uses, as to write information on or printed as a means of identifying the holder: a 3″ × 5″ file card; a membership card.
- poor richard's almanac — an almanac (1732–58) written and published by Benjamin Franklin.
- positive reinforcement — encouragement
- post office department — former name of United States Postal Service.
- potassium ferricyanide — a bright-red, crystalline, water-soluble, poisonous solid, K 3 Fe(CN) 6 , used chiefly in the manufacture of pigments, as Prussian blue, and of paper, especially blueprint paper.
- potassium ferrocyanide — a lemon-yellow, crystalline, water-soluble solid, K 4 Fe(CN) 6 ⋅3H 2 O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.
- price variation clause — a clause in a contract allowing the seller to vary the selling price under certain conditions
- prince of wales island — the largest island in the Alexander Archipelago, in SE Alaska. 1500 sq. mi. (3990 sq. km).
- principal ideal domain — a commutative integral domain with multiplicative identity in which every ideal is principal.
- prisoner of conscience — sb imprisoned for beliefs
- private-equity company — an organization that uses private equity to gain control of and manage companies
- privileged instruction — A machine code instruction that may only be executed when the processor is running in supervisor mode. Privileged instructions include operations such as I/O and memory management.
- process cinematography — cinematography in which the main or foreground action or scene is superimposed on or combined with simulated or separately filmed background action or scenery to produce special visual effects.
- procurement department — the department of (a company, organization, etc) responsible for purchasing and buying
- productivity agreement — an agreement whereby the employees of an organization agree to changes which are intended to improve productivity in return for an increase in pay or other benefits
- programmed instruction — a progressively monitored, step-by-step teaching method, employing small units of information or learning material and frequent testing, whereby the student must complete or pass one stage before moving on to the next.
- pronunciation spelling — a spelling intended to match a certain pronunciation more closely than the traditional spelling does, as gonna for going to , kinda for kind of (meaning “rather”), git for get , or lite for light.
- propositional calculus — propositional logic
- propositional function — sentential function.
- prothonotary apostolic — a member of the first college of prelates of the Roman Curia.
- public domain software — public domain
- public housing project — a group of homes for poorer families which is funded and controlled by the local government
- pulmonary tuberculosis — tuberculosis of the lungs.
- pure food and drug act — a law passed in 1906 to remove harmful and misrepresented foods and drugs from the market and regulate the manufacture and sale of drugs and food involved in interstate trade.
- rapid deployment force — a U.S. military organization consisting of one Marine division and four Army divisions, established in 1979 to respond quickly to any distant threat to national interests.
- reactive schizophrenia — a type of schizophrenia of rapid onset and brief duration that occurs in response to environmental factors.
- received pronunciation — the pronunciation of British English considered to have the widest geographical distribution and the fewest regional peculiarities, originally the pronunciation of educated speakers in southern England and traditionally that used in the public schools and at Oxford and Cambridge universities, adopted by many speakers elsewhere in England and widely used in broadcasting. Abbreviation: RP.
- recreational therapist — someone who specializes in therapy by means of recreational activities engaged in by the patient
- replacement cost basis — Replacement cost basis is a method of valuing insured property in which the cost of replacing property is calculated without a reduction for depreciation.
- reporting restrictions — restrictions or rules on whether something or certain details of something can be published or broadcast by the media
- reproduction furniture — furniture that is made in an imitation or copy of a past style
- reproductive isolation — the conditions, as physiological or behavioral differences or geographical barriers, that prevent potentially interbreeding populations from cross-fertilization.