chlorine
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chlorine
- /ˈklɔɹin/ US
- /ˈklɔːɹiːn/ UK
Rhymes with -ɔːɹiːn
Where it comes from
Coined by British chemist Humphry Davy in 1810 from Ancient Greek χλωρός (khlōrós, “pale green”) + -ine.
noun chlorines · chlorin
-
A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.
When TCCA touches a small amount of water and doesn’t dissolve, “it can experience a chemical reaction, generating heat and causing the decomposition of the chemical, which in turn produces toxic chlorine gas and can produce explosive nitrogen trichloride,” a 2023 report by the CSB said.
Similar: E925
- A single atom of this element.
- A chlorine-based bleach or disinfectant. The mechanism involved in the explosive reaction between swimming pool chlorine (calcium hypochlorite) and brake fluid (polyethylene glycol), a possible improvised explosive mixture, has been studied by means of the gaseous products produced.
Thesaurus
Closest in meaning: cl, bromine, chloride, trifluoride, chlorinated, chlorination, nail, bleaches, chlore, chlor, bleach, dichlorine, cloro, euchlorine, bertholite, chlorin
Translations
Talk about this word "chlorine." Wiktionary, via Micwyn, micwyn.com/word/chlorine. Accessed 6 Nov. 2026. chlorine. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/chlorine "chlorine." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/chlorine.Cite this
@misc{chlorine_2026,
title = {chlorine},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/chlorine},
urldate = {2026-11-06}
}
