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: cu , cu , atomic number 29 , atomic number 29 ]
a copper penny
uncomplimentary terms for a policeman
a reddish-brown color resembling the color of polished copper
[ Syn: copper color ]
any of various small butterflies of the family Lycaenidae having coppery wings
copper (n.)
coat with a layer of copper