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noun copper pronunciation in British English /ˈkɒpə(r)/ 
Word Forms
  1. 1
    [uncountable] a red-brown metal used especially for making wire or pipes

    a copper pipe/pan/kettle

    Her hair was the colour of copper.

    Synonyms and related words for this sense of copper
  2. 2
    [countable] informal old-fashioned a police officer
  3. 3
    [countable] old-fashioned a coin of low value made of copper or bronze
    Synonyms and related words for this sense of copper


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