Cobalt
WordNet
noun
(1) A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
WiktionaryText
Noun
- a chemical element (symbol Co) with an atomic number of 27.
See also
- asbolan, asbolite
- erythrite
- glaucodot
- skutterudite
- smaltine