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Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   CFC
       n 1: a fluorocarbon with chlorine; formerly used as a
            refrigerant and as a propellant in aerosol cans; "the
            chlorine in CFCs causes depletion of atmospheric ozone"
            [syn: chlorofluorocarbon, CFC]