copper | (n) a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor, Syn. atomic number 29, Cu |
铜 | [铜 / 銅] copper Cu, transition metal, atomic number 29 #2,027 [Add to Longdo] |