- 1A red-brown metal, the chemical element of atomic number 29. (Symbol: Cu)
Copper was the earliest metal to be used by humans, first by itself and then later alloyed with tin to form bronze. A ductile, easily worked metal, it is a very good conductor of heat and electricity and is used especially for electrical wiringMore example sentences
- In addition, fruit juices are rich in essential minerals like iron, copper, potassium, sodium, iodine and magnesium.
- Silver fillings are actually made of a combination of metals including silver, tin, copper and mercury.
- Men usually work with metals such as copper, brass, and aluminum to craft decorative plates, wall hangings, and utensils.
- 2 • dated A copper coin, especially a penny: you could hire a raft for a few coppersMore example sentences
- She stopped by a fruit stand and got two apples for three copper pieces.
- 3A reddish-brown color like that of copper.More example sentences
- In other colourful news, I've just had some reddish / copper lowlights put in my hair.
- There weren't many people in my school with copper coloured hair.
- Looking closely, there's a hint of copper colouring in the larger scratch.
verb[with object] Back to top
- Cover or coat (something) with copper.More example sentences
- Drake watched it from atop the watchman's truck, against the pole that held the beat-up and coppered bell.
- Everything was made of gold, coppered from age.
Old English copor, coper (related to Dutch koper and German Kupfer), based on late Latin cuprum, from Latin cyprium aes 'Cyprus metal' (so named because Cyprus was the chief source).
- A police officer.More example sentences
- How do you know the coppers won't know you weren't there?
- Unless perhaps you were a copper going undercover.
- Since Monday I have been counting the number of coppers, cop cars, dog handling units, malicious arrests and good-humoured stop-and-searches I've spotted in Hackney.