cobalt definition

  • noun:
    • a difficult, brittle metallic element, found of nickel, silver, lead, copper, and iron ores and resembling nickel and iron to look at. It's used mainly for magnetized alloys, high-temperature alloys, plus the form of its salts for blue glass and ceramic pigments. Atomic quantity 27; atomic weight 58.9332; melting point 1,495°C; boiling point 2,900°C; specific gravity 8.9; valence 2, 3. See dining table at element.
    • A chemical factor (symbolization Co) with an atomic quantity of 27.
    • Cobalt blue.
    • a hardcore, lustrous, reddish-white metal associated with metal group, maybe not effortlessly fusible, and significantly magnetized. Atomic fat 59.1. Sign Co.
    • A commercial name of a crude arsenic used as fly poison.
    • Chemical sign, Co; atomic body weight, 58.8. A metal of a steel-gray shade and a certain gravity variously provided at from 8.52 to 8.95.
    • a hard ferromagnetic silver-white bivalent or trivalent metallic factor; a trace aspect in plant and pet nourishment

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