copper

//ˈkɒp.ər//
B1Frequency Level 9Neutral
Visual representation of copper

Noun

copperSingular
coppersPlural
1

A reddish-brown metallic chemical element with high electrical and thermal conductivity, used in wiring, plumbing, and alloys.

Copper is widely used in electrical wiring because of its excellent conductivity.

2

Coins made of copper or bronze, especially those of low value.

He searched his pockets for some coppers to pay for the newspaper.

Synonym

Noun

copperSingular
coppersPlural
1

(British slang) A police officer.

The coppers arrived at the scene within minutes.

Synonym

Adjective

copperCanonical form
1

Having a reddish-brown color like that of the metal copper.

She has beautiful copper hair that shines in the sunlight.

copper - Deep Vocabulary