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20-letter words containing a, d, r, o, i

  • poza rica de hidalgo — a city in N Veracruz, in E Mexico.
  • predicate nominative — (in Latin, Greek, and certain other languages) a predicate noun or adjective in the nominative case.
  • price discrimination — the practice of offering identical goods to different buyers at different prices, when the goods cost the same.
  • price-dividend ratio — the ratio of the price of a share on a stock exchange to the dividends per share paid in the previous year, used as a measure of a company's potential as an investment
  • 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.
  • 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
  • proprietary medicine — a drug or agent manufactured and distributed under a trade name
  • public administrator — an official of a city, county, or state government.
  • 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.
  • 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.
  • rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
  • 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)
  • 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.
  • 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
  • relative deprivation — the perception of an unfair disparity between one's situation and that of others.
  • 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)
  • rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
  • ride on shank's mare — to walk
  • ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
  • rough-winged swallow — either of two New World swallows of the genus Stelgidopteryx, having outer primary feathers with small barblike hooks on the margins.
  • saint andrew's cross — a low evergreen shrub, Ascyrum hypericoides, native to temperate and subtropical America, having flowers in clusters of three: often cultivated.
  • schizoid personality — sb with identity disorder
  • schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
  • season ticket holder — a person who has a season ticket
  • second international — an international association formed in 1889 in Paris, uniting socialistic groups or parties of various countries and holding international congresses from time to time: in 1923 it joined with the Vienna International to form the Labor and Socialist International. Compare international (def 6).
  • secure accommodation — an institution where young offenders are kept in custody
  • serious fraud office — a UK government office responsible for investigating and prosecuting serious fraud cases
  • shareholders' equity — Shareholders' equity is the total amount of ownership investment in a company.
  • sharp-tailed sparrow — a sparrow, Ammospiza caudacuta, inhabiting salt marshes in North America, having narrow, sharply pointed tail feathers.
  • short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
  • shoulder-length hair — hair that reaches a person's shoulders
  • silicon tetrahydride — silane (def 1).
  • small craft advisory — a U.S. National Weather Service advisory of sustained winds, over coastal and inland waters, with speeds of 20–33 knots (23–38 mph, 10–17 m/sec). Regional NWS offices have discretion over the choice of the lower limit.
  • social security card — a card that contains details of a person's social security number
  • sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
  • sodium meta-arsenite — sodium arsenite.
  • south orkney islands — an uninhabited group of islands in the S Atlantic, southeast of Cape Horn: formerly a dependency of the Falkland Islands; part of the British Antarctic Territory since 1962 (claims are suspended under the Antarctic Treaty). Area: 621 sq km (240 sq miles)
  • spherical coordinate — 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.
  • spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
  • spotted crane's-bill — the American wild geranium, Geranium maculatum.
  • summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
  • switchboard operator — a person who operates an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
  • synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
  • tactical air command — a U.S. Air Force command supplying direct air support to U.S. Army ground combat units.
  • television broadcast — sth shown on tv
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