copper
ko per
- n 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
- n a copper penny
- n uncomplimentary terms for a policeman
- n a reddish-brown color resembling the color of polished copper
- n any of various small butterflies of the family Lycaenidae having coppery wings
- v coat with a layer of copper
- Although 90% occupied with defense business, Revere Copper Brass, copper fabricator, last week revealed that it had laid off 1,100 workers, 12% of its working force.
- In the kingdom of copper there are two major provinces.
- In the face of a commodity decline which has caused such losses in the past five months as 15% for wheat, 16% for silver, 13% for lead, copper long stayed firm at 18.