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(Chemistry) any one of a number of gases or vapours that make the eyes smart and water, causing temporary blindness; usually dispersed from grenades and used in warfare and to control riots. Also called: lacrimator
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|Noun||1.||teargas - a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds|
chemical weapon - chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants
chlorobenzylidenemalononitrile, 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
nitrochloromethane - gaseous form of chloropicrin used as tear gas
gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
|Verb||1.||teargas - attack with teargas; subject to teargas fumes; "The students were teargassed during the riot"|
gas - attack with gas; subject to gas fumes; "The despot gassed the rebellious tribes"