What is "chlorotrifluoromethane"

n. (context organic compound English) The halogenated hydrocarbon CClF₃; it is a CFC once used as a refrigerant

Chlorotrifluoromethane, R-13, CFC-13, or Freon 13, is a non-flammable, non-corrosive chlorofluorocarbon (CFC) and also a mixed halomethane. It is used as a refrigerant, however, due to concerns about its ozone-depleting potential, its use has been phased out due to the Montreal Protocol.