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.
noun 1. a variety of the European beech, Fagus sylvatica atropunicea, having purplish or copper-red leaves. noun 1. a cultivated variety of European beech that has dark purple leaves
[kop-er-uh s] /ˈkɒp ər əs/ noun, Chemistry. 1. . /ˈkɒpərəs/ noun 1. a less common name for ferrous sulphate
[naf-thuh-neyt, nap-] /ˈnæf θəˌneɪt, ˈnæp-/ noun, Chemistry. 1. a green salt, soluble in benzene, used as an insecticide and a wood preservative, but harmless to plants.