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radiation weapon
(Encyclopedia) radiation weapon or radiological weapon, a bomb or warhead that uses conventional chemical explosives to disperse radioactive material, sometimes called a “dirty bomb.” Designed to…radiator
(Encyclopedia) radiator, device used to heat an area surrounding it or to cool a fluid circulating within it. The familiar radiators of steam and hot water heating systems in buildings are misnamed,…Radić, Stjepan
(Encyclopedia) Radić, StjepanRadić, Stjepanstyĕˈpän räˈdĭch [key], or Stefan RadichRadić, Stjepanstĕˈfän [key], 1871–1928, Croatian politician. Of peasant origin, he early became active in politics…radical, in chemistry
(Encyclopedia) radical, in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic…radical, in mathematics
(Encyclopedia) radical, in mathematics, symbol () placed over a number or expression, called the radicand, to indicate a root of the radicand. When used without a sign or index number, as in 4, it…Radich, Stefan
(Encyclopedia) Radich, Stefan: see Radić, Stjepan.Radičová, Iveta
(Encyclopedia) Radičová, Iveta, 1956–, Slovakian political leader, b. Bratislava. A sociologist, she graduated from the Univ. of Bratislava (B.A., 1979; Ph.D., 1981), later teaching at Comenius Univ…Radiguet, Raymond
(Encyclopedia) Radiguet, RaymondRadiguet, RaymondrāmôNˈ rädēgāˈ [key], 1903–23, French writer. In his brief career he wrote two penetrating novels—The Devil in the Flesh (1923, tr. 1932), a study of…Radin, Paul
(Encyclopedia) Radin, PaulRadin, Paulrāˈdĭn [key], 1883–1959, American anthropologist, b. Poland, grad., College of the City of New York, 1902, Ph.D. Columbia, 1911. He was a student of Franz Boas…radio
(Encyclopedia) CE5 A. AM transmitter B. AM receiver radio, transmission or reception of electromagnetic radiation in the radio frequency range. The term is commonly applied also to the equipment…Trending
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