| Noun | 1. | CFC - 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" HCFC, hydrochlorofluorocarbon - a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere pollutant - waste matter that contaminates the water or air or soil fluorocarbon - a halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols Freon - any one or more chlorofluorocarbons (or related compounds) that are used as an aerosol propellant, organic solvent, or refrigerant greenhouse emission, greenhouse gas - a gas that contributes to the greenhouse effect by absorbing infrared radiation |