B2nounsciencebusiness
US/ˈkɑː.pər/
UK/ˈkɒp.ə/
a reddish-brown metal that conducts heat and electricity well, used in wires and pipes
In context
The wires inside the wall are made of copper.
She polished the old copper pot until it shone.
The country earns most of its income from exporting copper.
Words that go with copper
noun + noun
- copper wireThe thieves stole several miles of copper wire.
- copper pipeA copper pipe burst in the basement.
- copper mineHe worked in a copper mine for ten years.
- copper potHang the copper pot above the stove.
verb + noun
- mine copperChile mines more copper than any other country.
noun + preposition
- price of copperThe price of copper has risen sharply this year.
Common mistakes
Incorrect:
a copperCorrect: copper