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Definition of chlorine

chlorine

/ˈklɔːr.iːn/
chlo · rine
Plural:chlorines
•
Adjective:chlorinous
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chlorine Lexical Profile

chlorine Game Scores & Validity

• noun

1

A toxic, irritant, greenish-yellow gaseous chemical element of the halogen group (atomic number 17, symbol Cl), widely used in compound form to purify water, disinfect swimming pools, and manufacture bleaching agents and plastics.

Example

"The municipal water treatment plant uses carefully monitored levels of chlorine to eliminate harmful bacteria."

• Rhymes for chlorine

• Nearby Words

chlorinate
chlorinated
chlorination
chlorine
chloroform
chlorophonia
cho oyu

Word Origin & Etymology

Coined in 1810 by English chemist Sir Humphry Davy from the Ancient Greek word 'khloros' (meaning 'pale green' or 'greenish-yellow') combined with the chemical suffix '-ine', in reference to the distinctive color of the gas.

Cite this Entry

Wordmom. (2026). Definition of Chlorine. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/chlorine
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