carbon

  1. Noun.  (uncountable) The chemical element (''symbol'' C) with an atomic number of 6.
  2. Noun.  (context, countable) A sheet of carbon paper.
  3. Noun.  (context, countable) A carbon copy.
  4. Noun.  A fossil fuel that is made of impure carbon such as coal or charcoal.
  5. Noun.  (context, ecology) Carbon dioxide, in the context of global warming and climate change.

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This entry was last updated on RefTopia from its source on 3/20/2012.