hydrochlorofluorocarbon
noun
hy·dro·chlo·ro·fluo·ro·car·bon ˌhī-drə-ˌklȯr-ō-ˌflȯr-ō-ˈkär-bən 
-ˌflu̇r-
: any of several simple gaseous compounds that contain carbon, chlorine, fluorine, and hydrogen
Example Sentences
Recent Examples on the Web The initiative to phase out ozone-damaging chemicals known as hydrochlorofluorocarbons (HCFCs), including R22 refrigerant, began in 1987 with the Montreal Protocol. 
Jessica Levy, Indianapolis Star, 28 Aug. 2019 Some countries in the developing world haven’t yet phased out ozone-damaging chemicals like R-22, a hydrochlorofluorocarbon (HCFC) found in many refrigeration and air conditioning systems. National Geographic, 25 Sep. 2017
Jessica Levy, Indianapolis Star, 28 Aug. 2019 Some countries in the developing world haven’t yet phased out ozone-damaging chemicals like R-22, a hydrochlorofluorocarbon (HCFC) found in many refrigeration and air conditioning systems. National Geographic, 25 Sep. 2017 Word History
First Known Use
1977, in the meaning defined above