Definition of CFC in English:

CFC

nounˌsiːɛfˈsiːˌsiˌɛfˈsi

Any of a class of compounds of carbon, hydrogen, chlorine, and fluorine, typically gases used in refrigerants and aerosol propellants. They are harmful to the ozone layer in the earth's atmosphere owing to the release of chlorine atoms on exposure to ultraviolet radiation.
Example sentencesExamples
- The manufacture and use of CFCs in industry has been severely curtailed following the Montrol Protocol and subsequent amendments.
- CFCs are very stable in the troposphere.
- Manmade CFCs are the main cause of ozone depletion in the stratosphere.

Origin

1970s: short for chlorofluorocarbon.

Definition of CFC in US English:

CFC

nounˌsiˌɛfˈsiˌsēˌefˈsē

Any of a class of compounds of carbon, hydrogen, chlorine, and fluorine, typically gases used in refrigerants and aerosol propellants. They are harmful to the ozone layer in the earth's atmosphere owing to the release of chlorine atoms on exposure to ultraviolet radiation.
Example sentencesExamples
- Manmade CFCs are the main cause of ozone depletion in the stratosphere.
- The manufacture and use of CFCs in industry has been severely curtailed following the Montrol Protocol and subsequent amendments.
- CFCs are very stable in the troposphere.

Origin

1970s: short for chlorofluorocarbon.

单词	CFC
释义	Definition of CFC in English: CFC nounˌsiːɛfˈsiːˌsiˌɛfˈsi Any of a class of compounds of carbon, hydrogen, chlorine, and fluorine, typically gases used in refrigerants and aerosol propellants. They are harmful to the ozone layer in the earth's atmosphere owing to the release of chlorine atoms on exposure to ultraviolet radiation. Example sentencesExamples The manufacture and use of CFCs in industry has been severely curtailed following the Montrol Protocol and subsequent amendments. CFCs are very stable in the troposphere. Manmade CFCs are the main cause of ozone depletion in the stratosphere. Origin 1970s: short for chlorofluorocarbon. Definition of CFC in US English: CFC nounˌsiˌɛfˈsiˌsēˌefˈsē Any of a class of compounds of carbon, hydrogen, chlorine, and fluorine, typically gases used in refrigerants and aerosol propellants. They are harmful to the ozone layer in the earth's atmosphere owing to the release of chlorine atoms on exposure to ultraviolet radiation. Example sentencesExamples Manmade CFCs are the main cause of ozone depletion in the stratosphere. The manufacture and use of CFCs in industry has been severely curtailed following the Montrol Protocol and subsequent amendments. CFCs are very stable in the troposphere. Origin 1970s: short for chlorofluorocarbon.
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