20-letter words containing d, r
- prima-facie evidence — evidence that is sufficient to establish a fact or to raise a presumption of the truth of a fact unless controverted
- prince edward island — an island in the Gulf of St. Lawrence, forming a province of Canada: 2184 sq. mi. (5655 sq. km). Capital: Charlottetown.
- prince rupert's drop — a glass bead in the shape of a teardrop, a by-product of the glass-making process, formed by molten glass falling into water. The body of the drop can withstand great force, for example a hammer blow, but the whole will explode if the tail is nipped or the surface scored
- prince william sound — a sound in the Gulf of Alaska, on the S coast of Alaska: S end of Trans-Alaska oil pipeline at port of Valdez.
- procedural agreement — regulations agreed between the parties to collective bargaining, defining the bargaining units, bargaining scope, procedures for collective bargaining, and the facilities to be provided to trade union representatives
- production agreement — a contract concerning the production or manufacture of something
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- proof of the pudding — the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
- property development — the business of buying land and buildings and then making improvements to them so that their selling price exceeds the price paid for them
- proprietary medicine — a drug or agent manufactured and distributed under a trade name
- prosthetic dentistry — prosthodontics.
- pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
- public administrator — an official of a city, county, or state government.
- public lending right — (in Britain) an act of Parliament that directs compensation to an author for the library loan of his or her book.
- public record office — an institution in which official records are stored and kept available for inspection by the public
- pure lambda-calculus — Lambda-calculus with no constants, only functions expressed as lambda abstractions.
- put the hard word on — to ask or demand something from
- quadrantal corrector — either of two soft-iron spheres attached to each side of a binnacle, intended to correct the compass deviation (quadrantal deviation) resulting from magnetism from ferrous metal in a ship.
- quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
- queensland arrowroot — a South American and West Indian herb, Canna edulis, having large sheathing leaves, red flowers, and edible rhizomes.
- radial triangulation — triangulation based upon lines radiating from the center of each of two overlapping photographs to certain objects appearing on each photograph.
- radiation resistance — the resistive component of the impedance of a radio transmitting aerial that arises from the radiation of power
- radio interferometer — any of several different types of instrumentation designed to observe interference patterns of electromagnetic radiation at radio wavelengths: used in the discovery and measurement of radio sources in the atmosphere.
- random access memory — RAM.
- random-access memory — RAM.
- rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
- rapid transit system — a rail or other system providing rapid public transport
- raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
- read the riot act to — to command to stop doing something regarded as wrong, under threat of punishment
- read-eval-print loop — (language, LISP, programming) (REPL) A programming structure within LISP which repeatedly reads a form from the user, evaluates it, and displays the result. A read-eval-print loop forms the basis of the Top-Level shell that programmers of the LISP family of languages interact with. In many dialects of LISP a very simple REPL could be implemented as: (loop (print (eval (read)))). (2003-06-23)
- recommended standard — (standard) (RS) A series of EIA standards including EIA-232.
- recursive definition — a definition consisting of a set of rules such that by repeated application of the rules the meaning of the definiendum is uniquely determined in terms of ideas that are already familiar.
- red badge of courage — a novel (1895) by Stephen Crane.
- red mercuric sulfide — a crystalline, water-insoluble, poisonous compound, HgS, occurring as a coarse, black powder (black mercuric sulfide) or as a fine, bright-scarlet powder (red mercuric sulfide) used chiefly as a pigment and as a source of the free metal.
- red-carpet treatment — deferential treatment accorded to a person of importance
- red-legged partridge — a partridge, Alectoris rufa, having a reddish tail, red legs and bill, and flanks barred with chestnut, black, and white: common on farmlands and heaths in SW Europe, including Britain
- red-winged blackbird — a North American blackbird, Agelaius phoeniceus, the male of which is black with scarlet patches, usually bordered with buff or yellow, on the bend of the wing.
- redcar and cleveland — a unitary authority in NE England, in North Yorkshire: formerly (1975–96) part of Cleveland county. Pop: 139 100 (2003 est). Area: 240 sq km (93 sq miles)
- redheaded woodpecker — a North American woodpecker (Melanerpes erythrocephalus), with a bright-red head and neck, black back, and white underparts
- reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
- redundancy agreement — an agreement over the sum of money given by an employer to an employee who has been made redundant
- refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
- regional development — aid-giving to poorer areas or countries
- registered dietitian — a person who has fulfilled all the educational and examination requirements of the American Dietetic Association for recognition as a qualified nutrition specialist.
- registered trademark — brand name
- relative deprivation — the perception of an unfair disparity between one's situation and that of others.
- reminder advertising — a type of advertising designed to remind customers that an existing or well-known product is still available and for sale
- republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
- return from the dead — (jargon) To regain access to the net after a long absence. Compare person of no account.
- revolving presidency — a form of presidency in which the president and vice-president, or countries or bodies acting as such, switch roles after a set period and then back again and so on