Bedeutung von “copper” — Learner’s Dictionary

copper

noun us uk /ˈkɒpər/
METAL [ U ]

B2 a soft, red-brown metal, used in electrical equipment and to make coins, etc (symbol Cu):

copper wire
MONEY [ C ] UK

a brown coin with a low value

POLICE [ C ] UK informal

(Definition von “copper” aus dem Cambridge Learner's Dictionary © Cambridge University Press)