chlo·​ro·​fluo·​ro·​car·​bon | \ ˌklȯr-ō-ˌflȯr-ō-ˈkär-bən How to pronounce chlorofluorocarbon (audio) , -ˌflu̇r- \

Definition of chlorofluorocarbon

: any of several simple gaseous compounds that contain carbon, chlorine, fluorine, and sometimes hydrogen, that are used as refrigerants, cleaning solvents, and aerosol propellants and in the manufacture of plastic foams, and that are believed to be a major cause of stratospheric ozone depletion abbreviation CFC

Examples of chlorofluorocarbon in a Sentence

Many nations have banned the production of chlorofluorocarbons.
Recent Examples on the Web These include chlorofluorocarbons, which are found in air conditioners, refrigerators, and spray cans, halons, which are found in fire extinguishers, and methyl bromide, which is used to kill weeds, insects, and other pests. Popular Science, "Wacky weather punched a new hole in the ozone—and it could happen again," 18 May 2020 Developed in the 1920s, chlorofluorocarbons (CFCs) served initially as refrigerants but were eventually used in hair sprays, deodorants and many more everyday products. Smithsonian Magazine, Smithsonian Magazine, "Fifty Things We’ve Learned About the Earth Since the First Earth Day," 22 Apr. 2020 In 1974, scientists found that chemicals called chlorofluorocarbons, or CFCs, used in spray bottles and refrigeration destroyed ozone. Alex Fox, Smithsonian Magazine, "Why This Rare, Huge Ozone Hole Over the Arctic Is Troubling Scientists," 1 Apr. 2020 Thanks to the Montreal Protocol, an international agreement to phase out ozone-depleting chlorofluorocarbons, the ozone hole is now in recovery. Chelsea Harvey, Scientific American, "Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War”," 26 Mar. 2020 In 1989, representatives from the 12 European Community nations agreed to ban all production of CFCs (chlorofluorocarbons), the synthetic compounds blamed for destroying the Earth’s ozone layer, by the end of the 20th century., "This day in history," 2 Mar. 2020 The treaty known as the Montreal Protocol on Substances That Deplete the Ozone Layer phased out the use of chlorofluorocarbons -- deadly, ozone-eating industrial chemicals. Fox News, "Did closing the ozone hole help slow Arctic warming?," 24 Jan. 2020 The model assumed higher emissions of methane and chlorofluorocarbons, both potent greenhouse gases, than actually occurred. Chelsea Harvey, Scientific American, "Climate Models Got It Right on Global Warming," 5 Dec. 2019 The ozone layer over the Antarctic is expected to recover by 2070 as compounds used as coolants, called chlorofluorocarbons, decline. Ashley Strickland, CNN, "The Antarctic ozone hole is the smallest since it was discovered," 21 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chlorofluorocarbon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of chlorofluorocarbon

1949, in the meaning defined above

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The first known use of chlorofluorocarbon was in 1949

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Cite this Entry

“Chlorofluorocarbon.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2021.

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How to pronounce chlorofluorocarbon (audio)

English Language Learners Definition of chlorofluorocarbon

technical : a gas that was once commonly used in various products (such as aerosols) but that is believed to cause damage to the ozone layer in the Earth's atmosphere

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