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chlorine

noun

chlo·​rine ˈklȯr-ˌēn How to pronounce chlorine (audio)
-ən
: a halogen element that is isolated as a heavy greenish-yellow diatomic gas of pungent odor and is used especially as a bleach, oxidizing agent, and disinfectant in water purification see Chemical Elements Table

Example Sentences

Recent Examples on the Web The department is also identifying construction projects that may have caused potential impacts to the water system, checking for leaks and monitoring chlorine levels. Emily Opilo, Baltimore Sun, 6 Sep. 2022 There are 42 chemicals which have been identified and are listed in Exhibit A, including common chemicals such as chlorine, methane, benzene, lead oxide, nickel, and cobalt. Lynn Mucenski Keck, Forbes, 25 July 2022 Between frizz-inducing humidity, damaging pool chlorine, and copious amounts of dry shampoo to combat an oily look, the summer months can be tough on your hair. The Editors, Town & Country, 8 July 2022 According to authorities, the tank contained chlorine, a poisonous gas that can be pressurized and cooled to change it into a liquid so it can be shipped and stored. Rachel Pannett, Washington Post, 27 June 2022 Great to keep in your gym bag or bring on a trip, Brita’s 26-ounce bottle quickly filters chlorine, which can affect the odor and taste of your water. Jessica Teich, Good Housekeeping, 22 June 2022 Even better, the right shampoo can cut through discoloration and damage caused by heat styling, hard water, chlorine, and the environment. Harper's Bazaar Staff, Harper's BAZAAR, 8 June 2022 For six of the 15 elements analyzed—aluminum, phosphorus, chlorine, potassium, copper, and zinc—the proportions were between 10 and 100 times higher than the ranges predicted by theoretical models. Jennifer Ouellette, Ars Technica, 2 June 2022 That system is responsible for reducing chlorine levels in the tap water used to cool factory machines before it is released into the stream, according to a spokesman for Fleischmann’s. Christine Condon, baltimoresun.com, 16 Sep. 2021 See More

Word History

First Known Use

1810, in the meaning defined above

Time Traveler
The first known use of chlorine was in 1810

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