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indium 音标拼音: ['ɪndiəm] n. 铟 铟 indium n 1: a rare soft silvery metallic element; occurs in small quantities in sphalerite [ synonym: { indium}, { In}, { atomic number 49}] Indium \ In" di* um\, n. [ NL. See { Indigo}.] ( Chem.) A rare metallic element, of atomic number 49, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium ( valence 3). Symbol In. Atomic weight, 114. 82. [ 1913 Webster PJC]
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