hcfc

/eɪtʃ siː ɛf siː/
noun
  1. Hydrochlorofluorocarbon, a type of chemical used in refrigerators and air conditioners that is less harmful to the ozone layer than older chemicals.
    • Many countries have agreed to phase out the use of HCFCs.
    • Old air conditioning units may still contain HCFCs.
    • HCFCs were developed as a temporary replacement for CFCs.