[kop-er-uh s] /ˈkɒp ər əs/
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.
[kop-er-leef] /ˈkɒp ərˌlif/ noun, plural copper-leaves. 1. a Pacific Islands plant, Acalypha wilkesiana, of the spurge family, having showy, bronzy-green, usually red-mottled foliage and grown as an ornamental or houseplant.
noun 1. an iris, Iris fulva, found from the Gulf Coast to southern Illinois, having copper-colored or reddish-brown flowers.
- Copper penny
copper penny n. See sclerotic body.