| NOMBRE | substance | número atómico 41, niobio | a soft grey ductile metallic element used in alloys |
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| Sentido | A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium. | |
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| Sinónimo | niobio | |
| General | elemento metálico, metales, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Substancia de | columbita, niobite | A black mineral that is an ore of niobium and tantalum |
| Inglés | niobium, Nb, atomic number 41 | |
| Catalán | Nb, niobi, número atòmic 41 | |
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