Hledat
Hafnium
01
a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
Příklad
Blízká Slova
Stáhnout Aplikaci
Download Mobile App
Hledat
a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons