chlorine

noun chlo·rine \ ˈklȯr-ˌēn , -ən \
Updated on: 9 Dec 2017

Definition of chlorine

: 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

Recent Examples of chlorine from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chlorine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of chlorine

1810


CHLORINE Defined for English Language Learners

chlorine

noun

Definition of chlorine for English Language Learners

  • : a chemical that in its natural form is a greenish-yellow gas and has a strong smell


CHLORINE Defined for Kids

chlorine

noun chlo·rine \ ˈklȯr-ˌēn , -ən \

Definition of chlorine for Students

: a chemical element that is a greenish yellow irritating gas of strong odor used as a bleach and as a disinfectant to purify water

Medical Dictionary

chlorine

noun chlo·rine \ ˈklō(ə)r-ˌēn, ˈklȯ(ə)r-, -ən \

medical Definition of chlorine

: 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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allowing a liquid or gas to pass through

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