molybdenum definition

  • noun:
    • a tough, silvery-white metallic element always toughen alloy steels and soften tungsten alloy. A vital trace aspect in plant diet, it is found in fertilizers, dyes, enamels, and reagents. Atomic quantity 42; atomic weight 95.94; melting point 2,617°C; boiling-point 4,612°C; specific-gravity 10.22 (at 20°C); valence 2, 3, 4, 5, 6. See Table at factor.
    • A metallic chemical factor (symbolization Mo) with an atomic wide range of 42.
    • an uncommon component of the chromium group, occurring in the wild in nutrients molybdenite and wulfenite, and when paid off acquired as a difficult, silver-white, difficulty fusible material. Representation Mo. Atomic quantity 42. Atomic weight 95.94.
    • Chemical logo, Mo; atomic body weight, 95. 8. A metal of a silver-white color, but harder than silver, which combines with difficulty, if at all, within greatest temperature of a wind-furnace.
    • a polyvalent metallic factor that resembles chromium and tungsten in its properties; familiar with enhance and harden metallic

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