英语词汇“θ68982”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	θ68982
释义	the world > matter > chemistry > elements and compounds > metals > specific elements > astatine > [noun] (5) alabamine1932 (A name proposed for) the chemical element astatine. Cf. anglo-helvetium, n. helvetium1940 Earlier name for astatine, n. Cf. also alabamine, n. and anglo-helvetium, n. (Disused.) anglo-helvetium1942 A proposed name for: the element astatine. Cf. alabamine, n. astatine1947 A radioactive element of short half-life, which is rare in nature but can be made artificially; the heaviest element of the halogen group. (Formerly… At1947 The element astatine.
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