copper definition, meaning - what is copper in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “copper”

See all translations

copper

noun uk   /ˈkɒp.ər/  us   /ˈkɑː.pɚ/

copper noun (METAL)

B2 [U] (symbol Cu) a chemical element that is a reddish-brown metal, used especially for making wire and coins: copper wire/pipes a copper alloy [U] the reddish-brown colour of the metal copper: The copper of Rosie's hair shone in the sunlight. [C usually plural] UK informal a brown coin of low value: I gave him a few coppers.
More examples

copper noun (POLICE)

[C] UK informal a police officer
copper
adjective uk   us  
of the reddish-brown colour of the metal copper
(Definition of copper from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of copper?
Add Cambridge dictionaries to your browser to your website

Definitions of “copper” in other dictionaries

Word of the Day

paradox

a situation or statement that seems impossible or is difficult to understand because it contains two opposite facts or characteristics

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

plyscraper noun

May 18, 2015
a skyscraper made mainly from wood The development of engineered timber could herald a new era of eco-friendly ‘plyscrapers’. Christchurch welcomed its first multistorey timber structure this year, there are plans for Vancouver, and the talk is China could follow

Read More