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Definitions of cobalt
  1. noun
    a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

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Definition that contains cobalt
  • tomtit widely distributed European titmouse with bright cobalt blue wings and tail and crown of the head
  • cobalt 60 a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy
  • cobaltite a rare silvery-white mineral; important ore of cobalt
  • stellite a very hard alloy of cobalt and chromium with cobalt as the principal ingredient; used to make cutting tools and for surfaces subject to heavy wear
  • cobalt bloom a reddish mineral consisting of hydrated cobalt arsenate in monoclinic crystalline form and used in coloring glass; usually found in veins bearing cobalt and arsenic
  • parochetus communis trailing trifoliate Asiatic and African herb having cobalt blue flowers
  • erythrite a reddish mineral consisting of hydrated cobalt arsenate in monoclinic crystalline form and used in coloring glass; usually found in veins bearing cobalt and arsenic
  • blue tit widely distributed European titmouse with bright cobalt blue wings and tail and crown of the head
  • alnico trade name for an alloy used to make high-energy permanent magnets; contains aluminum and iron and nickel plus cobalt or copper or titanium
  • cobalt blue greenish-blue pigment consisting essentially of cobalt oxide and alumina
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