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CS gas

noun [U]
 
 
/ˌsiː.esˈɡæs/

Definition

a gas that causes painful breathing and tears, used by the army or police to control a person or crowd in a violent situationSpecific chemicals, chemical compounds and gasesSubstances and structures in the bodyTypes of chemicalArms and munitions in general
(Definition of CS gas noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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