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Definition of tear gas noun from the Oxford Advanced Learner's Dictionary

tear gas

noun

/ˈtɪə ɡæs/

/ˈtɪr ɡæs/

[uncountable]

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a gas that makes your eyes sting (= hurt) and fill with tears, used by the police or army to control crowds
- The police fired tear gas at the protesters.
Topics War and conflictc2, Law and justicec2

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noun

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B2

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