O que é copper?
O que é copper?
- A ductile, malleable, reddish-brown metallic element that is an excellent conductor of heat and electricity and is widely used for electrical wiring, water piping, and corrosion-resistant parts, either pure or in alloys such as brass and bronze. Atomic number 29; atomic weight 63.54; melting point 1,083°C; boiling point 2,595°C; specific gravity 8.96; valence 1, 2. See Table at element.
- A coin, usually of small denomination, made of copper or a copper alloy.
- Chiefly British A large cooking pot made of copper or often of iron.
- Any of various small butterflies of the subfamily Lycaeninae, having predominantly copper-colored wings.
- A reddish brown.
- To coat or finish with a layer of copper.
- Slang To bet against, as in faro.
- Slang A police officer.