copper

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English[edit]

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Wikipedia

Copper in its natural state.
Chemical element
Cu Previous: nickel (Ni)
Next: zinc (Zn)

Pronunciation[edit]

Etymology 1[edit]

From Middle English coper, from Old English coper, copor (copper), from Late Latin cuprum (copper), contraction of Latin (aes) Cyprium (literally brass of Cyprus), from Ancient Greek Κύπρος (Kúpros, Cyprus). Cognate with Dutch koper (copper), German Kupfer (copper), Icelandic kopar (copper).

Noun[edit]

copper (countable and uncountable, plural coppers)

  1. (uncountable) a reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol Cu, and atomic number 29.
  2. (countable) Something made of copper.
  3. The reddish-brown colour/color of copper.
    copper colour:    
  4. (countable) A copper coin.
    • Franklin
      My friends filled my pockets with coppers.
  5. (UK, archaic) A large pot, often used for heating water or washing clothes over a fire. In New Zealand at least, it could also be a fixed installation made of copper, with a fire underneath and its own chimney. Generally made redundant by the advent of the washing machine.
    Mum would heat the water in a copper in the kitchen and transfer it to the tin bath.
    I explain that socks can’t be boiled up in the copper with the sheets and towels or they shrink.
    • 1797, Dyeing, article in Colin Macfarquhar, George Gleig (editors), Encyclopædia Britannica: or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, Volume 6, Part 1 page 207,
      When the water in the copper boils, the arsenic and tartar, well pounded, is put into it, and kept boiling till the liquor is reduced to about half.
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Adjective[edit]

copper (comparative more copper, superlative most copper)

  1. Made of copper.
  2. Having the reddish-brown colour/color of copper.
    • Coleridge
      All in a hot and copper sky,
      The bloody Sun, at noon,
      Right up above the mast did stand,
      No bigger than the Moon.
Synonyms[edit]
  • (made of copper):
  • (having the colour/color of copper): coppery
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Verb[edit]

copper (third-person singular simple present coppers, present participle coppering, simple past and past participle coppered)

  1. To sheathe or coat with copper.

See also[edit]

Etymology 2[edit]

From cop (verb) (to take, capture) +‎ -er (agent suffix)

Noun[edit]

copper (plural coppers)

  1. (slang, law enforcement) A policeman.
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