ha·​lon | \ ˈhā-ˌlän How to pronounce halon (audio) \

Definition of halon

: a halocarbon that contains especially bromine

Examples of halon in a Sentence

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 The crew used three halon-gas fire extinguishers and two more filled with water to douse the flaming laptop that caused it. Michael Laris, Washington Post, "With little FAA direction, vaping devices add to fire dangers on planes," 7 Oct. 2019 Modern airlines come equipped with fire-halon fire suppression systems. Barbara Peterson, Popular Mechanics, "Boeing Warns Airlines: Battery Shipments Can Burn Hot Enough to Destroy a Plane," 20 July 2015 In 2015, 22 Marines were hospitalized when the system accidentally went off, filling the cabin with halon and causing respiratory injuries. Thomas Gibbons-neff, Washington Post, "U.S. official: Exposed gas line appears to have caused fire that engulfed Marine armored vehicle," 15 Sep. 2017 That would come in the form of manmade chemicals like CFCs, HCFS, freon, and halons, most of which have been dramatically reduced thanks to international agreement. National Geographic, "Rare Shimmering Rainbow Clouds Appear Over the U.K.," 3 Feb. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'halon.' 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 halon

circa 1951, in the meaning defined above

History and Etymology for halon

International Scientific Vocabulary hal- + -on entry 3

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Time Traveler for halon

Time Traveler

The first known use of halon was circa 1951

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Statistics for halon

Cite this Entry

“Halon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/halon. Accessed 28 Nov. 2020.

More from Merriam-Webster on halon

Britannica.com: Encyclopedia article about halon

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