Definition of carbon noun from the Oxford Advanced Learner's Dictionary

     

    carbon

     noun
    noun
    BrE BrE//ˈkɑːbən//
     
    ; NAmE NAmE//ˈkɑːrbən//
     
     
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  1. 1 [uncountable] (symbol C) a chemical element. Carbon is found in all living things, existing in a pure state as diamond and graphite. carbon fibre iron with a high carbon content
  2. 2[uncountable] used when referring to the gas carbon dioxide in terms of the effect it has on the earth’s climate in causing global warming carbon emissions/levels/taxes (British English) How do we move to a low carbon economy?
  3. 3[countable] = carbon copy
  4. 4[countable] a piece of carbon paper
  5. Word Origin late 18th cent.: from French carbone, from Latin carbo, carbon- ‘coal, charcoal’.
See the Oxford Advanced American Dictionary entry: carbon