Meaning of “tear gas” in the English Dictionary

british dictionary

(Definition of “tear gas” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"tear gas" in American English

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tear gasnoun [ U ]

us /ˈtɪər ˌɡæs/

a gas that hurts the eyes and produces tears, and is used sometimes by police to control crowds

(Definition of “tear gas” from the Cambridge Academic Content Dictionary © Cambridge University Press)