copper1
n.
- a red-brown metal, the chemical element of atomic number 29, which is a good conductor of electricity and heat and is alloyed to form brass and bronze.
(Symbol: Cu)
-
(coppers)
Brit. coins of low value made of copper or bronze.
- Brit. dated a large copper or iron container for boiling laundry.
- a reddish-brown colour.
- a small butterfly with bright reddish-brown wings.
[Lycaena phlaeas (small copper) and related species.]
v.
cover or coat with copper.
Derivative
Etymology
OE copor, coper, based on late L. cuprum, from L. cyprium aes ‘Cyprus metal’ (so named because Cyprus was the chief source).