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cobalt

DEFINITIONS OF: cobalt

1

n a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

Synonyms:
Co, atomic number 27
Types:
cobalt 60
a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy
Type of:
metal, metallic element
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
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