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(Elements & Compounds) a gas causing tears, salivation, and painful breathing, used in civil disturbances; ortho-chlorobenzal malononitrile. Formula: C6H4ClCH:C(CN)2
[C20: from the surname initials of its US inventors, Ben Carson and Roger Staughton]
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|Noun||1.||CS gas - a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edema|