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[ju'reiniəm](a radioactive element.) uran* * *[juəréiniəm]nounchemistry uran -
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------------------------------------------------------------[English Word] uranium[Swahili Word] yuranimu[Part of Speech] noun[Class] 9------------------------------------------------------------[English Word] uranium[Swahili Word] urani[Part of Speech] noun[Class] 9[Dialect] recent[English Definition] a silvery heavy radioactive polyvalent metallic element that is found especially in pitchblende and uraninite and exists naturally as a mixture of three isotopes of mass number 234, 235, and 238 in the proportions of 0.006 percent, 0.71 percent, and 99.28 percent respectively (identified circa 1797)[Terminology] chemistry------------------------------------------------------------ -
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m ура́н;atome d'uranium — а́том ура́наminerai d'uranium — ура́новая руда́;
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уран, U
depleted uranium обеднённый уран
natural [normal] uranium природный уран
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[ju'reiniəm](a radioactive element.) úraníum, úran -
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N1. यूरेनियमUranium is used as a source of nuclear energy. -
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{ju:'reiniəm}
n хим. уран* * *{ju:'reiniъm} n хим. уран.* * *уран;* * *n хим. уран* * * -
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n. <I>(also: <B>U</B>)</I> uranium, silvery white radioactive metallic element used in nuclear reactions and atomic bombs -
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noun chem.1) уран2) (attr.) урановый; uranium reactor урановый реактор* * *(n) уран* * ** * *[u·ra·ni·um || jʊ'reɪnɪəm] n. уран* * * -
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(DE) Uran {s}; (EN) u; uranium -
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См. также в других словарях:
Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and … Wikipedia
Uranium — Protactinium ← Uranium → Neptunium Nd … Wikipédia en Français
URANIUM — L’uranium (symbole U, numéro atomique 92) est un élément chimique métallique très dense (d = 19), dur, dont la couleur grise rappelle celle du nickel. Pendant les cent cinquante ans qui suivirent sa découverte, en 1789, par Martin Heinrich… … Encyclopédie Universelle
uranium — [yoo rā′nē əm] n. [ModL: so named (1789) by M. H. Klaproth (see TELLURIUM), its discoverer, after URANUS, recently (1781) discovered planet + IUM] a very hard, heavy, silver colored, radioactive, metallic chemical element, one of the actinides,… … English World dictionary
Uranium — U*ra ni*um, n. [NL., from Uranus the planet. See {Uranus}.] (Chem.) An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel white metal which is quite permanent. Its… … The Collaborative International Dictionary of English
uranium — Symbol: U Atomic number: 92 Atomic weight: (231) White radioactive metallic element belonging to the actinoids. Three natural isotopes, U 238, U 235 and U 234. Uranium 235 is used as the fuel for nuclear reactors and weapons. Discovered by Martin … Elements of periodic system
Uranium — Uranium, so v.w. Uranorama … Pierer's Universal-Lexikon
Uranium — (U) Уран химический радиоактивный элемент (металл) с атомным номером 92 и атомной массой наиболее распространенного и устойчивого изотопа 238. Природный уран состоит из смеси трех изотопов урана 238, урана 235 и урана 234, из которых практическое … Термины атомной энергетики
uranium — rare metallic element, 1797, named 1789 in Modern Latin by its discoverer, German chemist and mineralogist Martin Heinrich Klaproth (1743 1817), for the recently found planet URANUS (Cf. Uranus) (q.v.) … Etymology dictionary
uranium — ► NOUN ▪ a grey dense radioactive metallic chemical element used as a fuel in nuclear reactors. ORIGIN from the planet Uranus … English terms dictionary
uranium — /yoo ray nee euhm/, n. Chem. a white, lustrous, radioactive, metallic element, occurring in pitchblende, and having compounds that are used in photography and in coloring glass. The 235 isotope is used in atomic and hydrogen bombs and as a fuel… … Universalium