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
Translations of “copper”
in Korean 구리…
in Arabic نُحاس…
in French cuivre, petite pièce…
in Turkish bakır, bozuk para, madeni para…
in Italian rame…
in Chinese (Traditional) 金屬, 銅, 紅棕色,紫銅色…
in Russian медь, медная монета, полицейский…
in Polish miedź, miedziak, gliniarz…
in Spanish cobre, penique, pela…
in Portuguese cobre…
in German das Kupfer, die Kupfermünze…
in Catalan coure…
in Japanese 銅…
in Chinese (Simplified) 金属, 铜, 红棕色,紫铜色…
(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

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More