| NOM | substance | número atòmic 72, hafni, Hf | a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals |
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| Sentit | A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons. | |
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| Sinònims | hafni, Hf | |
| 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. |
| Anglès | hafnium, Hf, atomic number 72 | |
| Espanyol | hafnio, número atómico 72 | |
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