Synonyms for copper

noun

• a reddish-brown color resembling the color of polished copper
• uncomplimentary terms for a policeman
• 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
• a copper penny
• any of various small butterflies of the family Lycaenidae having coppery wings

verb

• coat with a layer of copper