Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cobalt

1 sense of cobalt

Sense 1
cobalt, Co, atomic number 27 -- (a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)