fluorocarbon vs PFC

fluorocarbon and PFC both are nouns.

Word	Noun	Adjective	Verb	Adverb
fluorocarbon	Yes	No	No	No
PFC	Yes	No	No	No

As nouns, PFC is a hyponym of fluorocarbon; that is, PFC is a word with a more specific, narrower meaning than fluorocarbon:

fluorocarbon: a halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols
PFC: a powerful greenhouse gas emitted during the production of aluminum

Other hyponyms of fluorocarbon include CFC, chlorofluorocarbon, HFC, hydrofluorocarbon, perfluorocarbon, tetrafluoroethylene.

fluorocarbon (noun)	PFC (noun)
a halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols	a powerful greenhouse gas emitted during the production of aluminum