A reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol Cu, and atomic number 29.
User Defined Definitions
"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 t"
"a copper penny"
"uncomplimentary terms for a policeman"
"a reddish-brown color resembling the color of polished copper"
"any of various small butterflies of the family Lycaenidae having coppery wings"