copper

nickel$\longleftarrow$ 29 $\longrightarrow$zinc

Pronunciation

• (AU) enPR: kŏ'pə, IPA ^(key): /ˈkʃɔp.ə/, SAMPA: /"kOp.@/
• (UK) enPR: kŏ'pə, IPA ^(key): /ˈkɒp.ə/, SAMPA: /"kQp.@/
• (US) enPR: kä'pər, IPA ^(key): /ˈkɑ.pɚ/, SAMPA: /"kA.p@`/

• Audio (US)

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• Audio (AU)

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• Hyphenation: cop‧per

Noun

Singular copper

Plural coppers

1. (uncountable) Copper is a metal that is a red-brown colour. Sometimes coins of small value are made from copper. The symbol for copper is Cu with an atomic number of 29.
   • Synonyms: Cu and ♀

   Water comes into our house through copper pipes.

2. (countable) A copper is a penny, a coin of small value made of copper.

   Could you give me a copper? I have almost enough money to buy that thing.

3. (countable) (slang) (used only in the United Kingdom) A copper is a police officer.

   The copper arrested him for stealing.

Adjective

Positive copper

Comparative none

Superlative none

1. Made of copper.

   The copper statue has turned green.

2. Having the reddish-brown colour/color of copper

   The copper couch will look really nice with that wallpaper.

• 
  copper in the periodic table (in science)
• 
  some copper metal