Made of copper.
Having the reddish-brown colour/color of copper.
The reddish-brown colour/color of copper.
A police officer.
A reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol Cu, and atomic number 29.
Any of various lycaenid butterflies with copper-coloured upperwings, especially those of the genera Lycaena and Paralucia.
To sheathe or coat with copper.
Of, or of the nature of, copper.
Containing copper with an oxidation number of 1.