The definition of chlorofluorocarbon is a type of nontoxic, nonflammable organic compounds used to make plastic foam and are thought to cause depletion of the ozone layer.
An example of chlorofluorocarbon is the chemical that was often used as refrigerant.
any of various nontoxic, nonflammable halocarbon organic compounds containing carbon, fluorine, chlorine, and hydrogen, used for plastic foam, as a refrigerant, etc.: these compounds are thought to damage the atmosphere
Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and refrigerants. Volatile chlorofluorocarbons are believed to cause depletion of the atmospheric ozone layer.
(plural chlorofluorocarbons) (abbreviation CFC)