: 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
Examples of chlorine in a Sentence
Recent Examples on the Web
Overall, chlorine is safe for dogs if they're properly cared for during and after swimming.
—
Lucy Notarantonio, MSNBC Newsweek, 15 Apr. 2025
The Utah company that owned the waterpark — which was shut down in June 2017 by the health department after 11 children suffered chlorine burns — proposed to carry through the apartment plan.
—Jim Woods, Chicago Tribune, 4 Apr. 2025
The outdoor pool also uses a UV treatment system to reduce chlorine intake and maintain ph balance.
—Meredith Lepore, Travel + Leisure, 29 Mar. 2025
The pump added chlorine into Stoughton’s drinking water system, prosecutors said.
—Julia Marnin, Miami Herald, 27 Mar. 2025
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Lucy Notarantonio, MSNBC Newsweek, 15 Apr. 2025
The Utah company that owned the waterpark — which was shut down in June 2017 by the health department after 11 children suffered chlorine burns — proposed to carry through the apartment plan.
—Jim Woods, Chicago Tribune, 4 Apr. 2025
The outdoor pool also uses a UV treatment system to reduce chlorine intake and maintain ph balance.
—Meredith Lepore, Travel + Leisure, 29 Mar. 2025
The pump added chlorine into Stoughton’s drinking water system, prosecutors said.
—Julia Marnin, Miami Herald, 27 Mar. 2025
See All Example Sentences for chlorine
Cite this Entry
“Chlorine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chlorine. Accessed 23 Apr. 2025.
Copy CitationKids Definition
chlorine
noun
chlo·rine
ˈklō(ə)r-ˌēn 
ˈklȯ(ə)r-,
-ən
: a nonmetallic element that is found alone as a heavy greenish yellow irritating gas having two atoms per molecule and a strong odor and that is used especially as a bleach, oxidizing agent, and disinfectant in water purification see element
Medical Definition
chlorine
noun
chlo·rine
ˈklō(ə)r-ˌēn, ˈklȯ(ə)r-, -ən
: a halogen element that is isolated as a heavy greenish yellow gas of pungent odor and is used especially as a bleach, oxidizing agent, and disinfectant in water purification
—symbol Cl
see Chemical Elements Table
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