copper - definition and synonyms

 
 
noun 

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/ˈkɒpə(r)/
singularcopper
pluralcoppers
  1. 1
    [uncountable] a chemical element that is a red-brown metal. Its symbol is Cu and it is used especially for making wire or pipes.

    a copper pipe/pan/kettle

    Her hair was the colour of copper.

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