| NOUN | substance | atomic number 27, cobalt, Co | a hard ferromagnetic silver-white bivalent or trivalent metallic element |
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| Meaning | A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition. | |
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| Synonyms | cobalt, Co | |
| Narrower | cobalt 60 | A radioactive isotope of cobalt with mass number 60 |
| Broader | 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. |
| Substance of | cobaltite | A rare silvery-white mineral |
| smaltite | A grey mineral consisting of cobalt arsenide and nickel | |
| Spanish | cobalto, número atómico 27 | |
| Catalan | cobalt, Co, número atòmic 27 | |
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