COPPER

Definition of COPPER

  1. (noun)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
  2. (noun)a copper penny
  3. (noun)uncomplimentary terms for a policeman
  4. (noun)a reddish-brown color resembling the color of polished copper
  5. (noun)any of various small butterflies of the family Lycaenidae having coppery wings
  6. (verb)coat with a layer of copper