indium definition

  • noun:
    • A soft, malleable, silvery-white metallic element discovered mostly in ores of zinc and tin, made use of as a plating over silver in making mirrors, in plating aircraft bearings, as well as in substances for making transistors. Atomic quantity 49; atomic fat 114.82; melting point 156.61°C; boiling-point 2,080°C; specific-gravity 7.31; valence 1, 2, 3. See dining table at element.
    • A metallic substance factor (symbolization In) with an atomic range 49.
    • an uncommon metallic element, of atomic number 49, found in certain ores of zinc, in the form of its characteristic spectrum of two indigo blue outlines; for this reason, its name. In features it resembles zinc, being white or lead gray, soft, malleable and easily fusible, in its chemical relation it resembles aluminum or gallium (valence +3). Symbolization In. Atomic body weight, 114.82.
    • Chemical sign, In; atomic weight, 113.7. A rare metallic factor found in the zinc-blende of Freiberg, Saxony, plus some various other localities, and found in the shape of the spectroscope: so called from its providing a blue range into the range.
    • an uncommon soft silvery metallic element; occurs in little volumes in sphalerite

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