cobalt
English Thesaurus
1. a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition (noun.substance)
| hypernym | : | metal, metallic element, |
| definition | : | any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. (noun.substance) |
| hyponym | : | cobalt 60, |
| definition | : | a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy (noun.substance) |
| substance meronym | : | cobaltite, |
| definition | : | a rare silvery-white mineral; important ore of cobalt (noun.substance) |
| substance meronym | : | smaltite, |
| definition | : | a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel (noun.substance) |
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