- chlorofluorocarbon, 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"
--1 is a kind of fluorocarbon; pollutant; greenhouse gas, greenhouse emission
--1 has particulars: hydrochlorofluorocarbon, HCFC