1. a reddish-brown metallic chemical element used in electrical wiring and plumbing
2. a reddish-brown color
3. a coin made of copper or copper alloy

1. having a reddish-brown color like copper

1. to cover or coat with copper

Examples

• The house has copper pipes throughout the plumbing system.
• Copper is an excellent conductor of electricity.
• Her hair had beautiful copper highlights in the sunlight.
• The old pennies were made of pure copper.
• The copper kettle gleamed on the stove.
• They decided to copper the bottom of the boat to prevent corrosion.
• The sunset painted the sky in copper and gold tones.