CEFR B2

copper

noun

Meaning

A reddish-brown, malleable, and ductile metallic element that is an excellent conductor of heat and electricity. It is widely used for electrical wiring, plumbing, and in alloys like brass and bronze.

Examples

  • The electrician used copper wire to connect the new appliance.
  • A statue made of copper can develop a green patina over time due to oxidation.

Synonyms: metal, element, ore, alloy