metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

bornite, peacock ore - a mineral consisting of sulfides of copper and iron that is found in copper deposits

chalcocite, copper glance - a heavy gray mineral that is an ore of copper

chalcopyrite, copper pyrites - a yellow copper ore (CuFeS2) made up of copper-iron sulfide

cuprite - a mineral consisting of cuprous oxide that is a source of copper

malachite - a green mineral used as an ore of copper and for making ornamental objects

brass - an alloy of copper and zinc

bronze - an alloy of copper and tin and sometimes other elements; also any copper-base alloy containing other elements in place of tin

blister copper - an impure form of copper having a black blistered surface

conductor - a substance that readily conducts e.g. electricity and heat

cent, centime, penny - a coin worth one-hundredth of the value of the basic unit

colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

police officer, policeman, officer - a member of a police force; "it was an accident, officer"

burnt sienna, reddish brown, sepia, Venetian red - a shade of brown with a tinge of red

lycaenid, lycaenid butterfly - any of various butterflies of the family Lycaenidae

genus Lycaena, Lycaena - type genus of the Lycaenidae; small slender butterflies with upper surface of wings usually metallic blue or green or copper

American copper, Lycaena hypophlaeas - common copper butterfly of central and eastern North America

coat, surface - put a coat on; cover the surface of; furnish with a surface; "coat the cake with chocolate"