20-letter words containing r, a, d, i, t, n
- 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
- rapid transit system — a rail or other system providing rapid public transport
- 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)
- 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.
- 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
- rhineland-palatinate — a state in W Germany: formerly part of Rhine Province. 7655 sq. mi. (19,825 sq. km). Capital: Mainz.
- ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
- ring-necked parakeet — a small brightly coloured long-tailed tropical parrot, Psittacula krameri, often kept as a pet
- ring-necked pheasant — a gallinaceous Asian bird, Phasianus colchicus, having a white band around its neck, introduced into Great Britain, North America, and the Hawaiian Islands.
- saint andrew's cross — a low evergreen shrub, Ascyrum hypericoides, native to temperate and subtropical America, having flowers in clusters of three: often cultivated.
- saint mary magdalene — a woman of Magdala (ˈmæɡdələ ) in Galilee whom Jesus cured of evil spirits (Luke 8:2) and who is often identified with the sinful woman of Luke 7:36–50. In Christian tradition she is usually taken to have been a prostitute. Feast day: July 22
- sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
- 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
- self-differentiating — to form or mark differently from other such things; distinguish.
- serra da mantiqueira — a mountain range in SE Brazil, running parallel to the coast. Highest point, 9140 feet (2785 meters).
- 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).
- 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.
- spotted crane's-bill — the American wild geranium, Geranium maculatum.
- st.-germain-des-pres — an area in Paris, on the Left Bank.
- stallman, richard m. — Richard Stallman
- standstill agreement — law: between company and bidder
- suitland-silver hill — a city in central Maryland, near Washington, D.C.
- summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
- 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.
- talavera de la reina — a city in central Spain, on the Tagus River: British and Spanish defeat of the French 1809.
- tax-deferred annuity — an annuity that enables one to purchase an insurance product that will earn interest, with the tax obligation deferred until withdrawals begin, usually at retirement. Abbreviation: TDA.
- television broadcast — sth shown on tv
- temperature gradient — rate of change of temperature with distance.
- terms and conditions — commerce: rules, restrictions
- terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
- tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.