22-letter words containing a, p, r, i, o
- occupational therapist — professional who assists with rehabilitation
- oceanic whitetip shark — whitetip shark (def 2).
- on a wing and a prayer — with only the slightest hope of succeeding
- open source initiative — (body) (OSI) An organisation dedicated to managing and promoting the Open Source Definition for the good of the community.
- open-market operations — the purchase and sale on the open market of government securities by the Bank of England for the purpose of regulating the supply of money and credit to the economy
- operating instructions — instructions on how to use something (such an electrical appliance, etc)
- operation desert storm — the codename for the US-led UN operation to liberate Kuwait from Iraq (1991)
- operational data store — (database) (ODS) A group of integrated databases designed to support the monitoring of operations. Unlike function oriented databases, an ODS contains subject-oriented, dynamic, current enterprise-wide information that is continually updated to show the current state of operations.
- outside awareness port — (humour) (OAP) A humorous IBM term for a window (the glass kind) rather than the GUI kind.
- packet internet groper — ping
- pale horse, pale rider — a trilogy of short novels (1939) by Katherine Anne Porter.
- 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.
- paracoccidioidomycosis — a chronic infection caused by the fungus Paracoccidioides brasiliensis, occurring in Mexico and in Central and South America, characterized by mouth and throat ulcers, weight loss, and lesions on the skin, intestines, and genitals.
- parallel server option — Oracle Parallel Server
- paranoid schizophrenia — severe psychiatric disorder
- parker morris standard — (in Britain) a set of minimum criteria for good housing construction, design, and facilities, recommended by the 1961 report of the Central Housing Advisory Committee chaired by Sir Parker Morris. Subsequent governments have urged private and local authority house-builders to achieve these standards
- parliamentary election — an election to select the members of a national parliament
- paroxysmal tachycardia — tachycardia that begins and subsides suddenly.
- partial-birth abortion — (term used chiefly by opponents of abortion) D & C.
- 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
- personal rapid transit — a short system of small, self-propelled, automated, rubber-tired vehicles that usually run on elevated concrete tracks and allow a passenger a limited selection of routes, as in an amusement park or at an airport. Abbreviation: PRT.
- personal relationships — relationships between people, especially those between friends, lovers and family members
- 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.
- planetary transmission — A planetary transmission is a special form of geared drive in which the input and output shafts are on the same axis.
- 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.
- point of sale terminal — the store, dealer, or other retail outlet where an item is sold: from manufacturer to point-of-sale.
- point-of-sale terminal — the store, dealer, or other retail outlet where an item is sold: from manufacturer to point-of-sale.
- polymyalgia rheumatica — a chronic inflammatory disease, common among older persons, characterized by recurrent episodes of muscle pain and stiffness, sometimes leading to cardiovascular complications or blindness.
- poor richard's almanac — an almanac (1732–58) written and published by Benjamin Franklin.
- portable standard lisp — (language) (PSL) A dialect of Lisp from Utah University. PSL is available as a kit for 68000 and also runs on VAX. It compiles Lisp to C-code virtual machine language.
- portuguese east africa — former name of Mozambique (def 1).
- portuguese west africa — a republic in SW Africa: formerly an overseas province of Portugal; gained independence Nov. 11, 1975. 481,226 sq. mi. (1,246,375 sq. km). Capital: Luanda.
- post office department — former name of United States Postal Service.
- postmortem examination — dissection and examination of a dead body to determine the cause of death
- 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.
- potassium permanganate — a very dark purple, crystalline, water-soluble solid, KMnO 4 , used chiefly as an oxidizing agent, disinfectant, laboratory reagent, and in medicine as an astringent and antiseptic.
- potassium-argon dating — a method for estimating the age of a mineral or rock, based on measurement of the rate of decay of radioactive potassium into argon.
- preestablished harmony — (in the philosophy of Leibnitz) synchronous operation of all monads, since their simultaneous creation, in accordance with the preexisting plan of God.
- price variation clause — a clause in a contract allowing the seller to vary the selling price under certain conditions
- primate of all england — a title of the archbishop of Canterbury.
- 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.
- private-equity company — an organization that uses private equity to gain control of and manage companies
- probationary assistant — a teacher in the first probationary years
- 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.
- 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
- program transformation — The systematic development of efficient programs from high-level specifications by meaning-preserving program manipulations. Also known as optimisation. See fusion, loop combination, peephole optimisation, register allocation, tupling, unfold/fold.