chlorofluorocarbon

noun
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 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 Although manufacturers have phased out ozone-destroying chlorofluorocarbons, the replacement chemicals used in most systems today are still greenhouse gases, many times more powerful than carbon dioxide. George Musser, Science | AAAS, "A fridge made from a rubber band? Twisted elastic fibers could cool your food," 10 Oct. 2019 The first generation of gas (chlorofluorocarbons or CFCs) was banned in 1981 in the Montreal Protocol, because of its destructive effects on the ozone layer. Carine Sebi, Quartz, "How to cool your home without warming the planet," 27 Aug. 2019 In 1991 the world was talking about the dangers of chlorofluorocarbons and mounting damage to the ozone layer. Jessica Gelt, latimes.com, "Who brought a 36-foot orb into Disney Hall for ‘Atlas’? Yup, that guy again," 10 June 2019 Ozone threats and 'the hole' In 1974, Mario Molina and Sherwood Rowland, two chemists at the University of California, Irvine, published an article in Nature detailing threats to the ozone layer from chlorofluorocarbon (CFC) gases. Mark Thiessen, National Geographic, "Ozone depletion, explained," 18 Apr. 2019 The protocol was adopted in the late 1980s in response to studies that showed CFC-11 and similar gases, collectively known as chlorofluorocarbons, depleted atmospheric ozone. New York Times, BostonGlobe.com, "Is someone secretly producing gas that harms the ozone layer?," 17 May 2018 The protocol was adopted in the late 1980s in response to studies that showed CFC-11 and similar gases, collectively known as chlorofluorocarbons, depleted atmospheric ozone. New York Times, BostonGlobe.com, "Is someone secretly producing gas that harms the ozone layer?," 17 May 2018 The hole in the ozone, which is centered over this region, is caused in part by the release of chlorofluorocarbons that come from your air-conditionng, aerosol cans, solvents, refrigeration and other manufacturing processes. Jen Christensen, CNN, "Scientists lay out how to save a melting Antarctica -- and the grim future if we don't," 13 June 2018

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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Last Updated

25 Nov 2019

Cite this Entry

“Chlorofluorocarbon.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/chlorofluorocarbon. Accessed 10 December 2019.

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More Definitions for chlorofluorocarbon

chlorofluorocarbon

noun
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

More from Merriam-Webster on chlorofluorocarbon

Britannica.com: Encyclopedia article about chlorofluorocarbon

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