a cultural period intermediate between the Neolithic and the Bronze ages, marked by the development and use of copper tools.
a short prehistoric period after the Stone Age and preceding the Bronze Age, when some tools and weapons were made of copper; the transition from the Copper to Bronze Age is difficult to fix; also called chalcolithic age
[kop-er-uh, kop-ruh] /ˈkɒp ər ə, ˈkɒp rə/ noun 1. .
noun 1. a yellowish-green, water-insoluble, poisonous powder, CuHAsO 3 , used chiefly as a pigment and as an insecticide.
- Copper belt
noun 1. a region of Central Africa, along the border between Zambia and the Democratic Republic of Congo: rich deposits of copper
[kop-er-uh s] /ˈkɒp ər əs/ noun 1. a town in central Texas.