| NOM | substance | niobi, Nb, número atòmic 41 | a soft grey ductile metallic element used in alloys |
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| Sentit | A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium. | |
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| Sinònims | Nb, número atòmic 41 | |
| Específic | columbi | A former name for niobium |
| General | element metàl·lic, metall | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Substància de | columbita, niobita | A black mineral that is an ore of niobium and tantalum |
| Anglès | niobium, Nb, atomic number 41 | |
| Espanyol | niobio, número atómico 41 | |
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