| Word | Definitions | Synonyms |
|---|---|---|
| cobalamin | (noun) a B vitamin that is used to treat pernicious anemia | Synonyms: antipernicious anemia factor, cyanocobalamin, vitamin B12 |
| cobalt | (noun) a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition | Synonyms: atomic number 27, Co |
| cobaltite | (noun) a rare silvery-white mineral; important ore of cobalt | - |