单词 | indium |
释义 | indiumn. Chemistry. A soft silver-white metal of extreme rarity, occurring in association with zinc and other metals; discovered by Reich and Richter in 1863, by means of spectrum analysis, in the zinc-blende of Freiberg. Symbol In. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > indium > [noun] indium1864 1864 Lyell Inaug. Addr. in Reader 17 Sept. 358 A fourth metal named indium, from its indigo-coloured band, was detected by Professor Richter of Freiberg in Saxony in a zinc ore of the Hartz. 1874 tr. E. Lommel Nature of Light (ed. 4) 114 The blue light of Indium undergoes a still stronger refraction than that of Thallium. 1882 Nature No. 639. 290 He finds that indium is like some other metals in not coming under the often-accepted rule that pure metals have a change of coefficient of resistance with temperature. Compounds attributive, as indium bromide (In Br), indium chloride, indium monochloride (In Cl), indium dichloride (In Cl2), indium trichloride (In Cl3); indium iodide, indium oxide, indium hydroxide; indium salts, etc. ΚΠ 1897 H. E. Roscoe & C. Schorlemmer Treat. Chem. II. 609 Indium Oxide In2O3 is a pale yellow powder. 1897 H. E. Roscoe & C. Schorlemmer Treat. Chem. II. 611 Indium Ammonium Alum..is deposited in well-defined regular octohedra. This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022). < n.1864 |
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