English noun: cobalt | |||
1. | cobalt (substance) a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition | ||
Synonyms | atomic number 27, Co | ||
Broader (hypernym) | metal, metallic element | ||
Narrower (hyponym) | cobalt 60 | ||
Substance meronym | cobaltite, smaltite | ||