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Definition of Tear gas
1. Noun. A gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds.
Exact synonyms: Lachrymator, Lacrimator, Teargas
Generic synonyms: Chemical Weapon, Gas
Specialized synonyms: Chlorobenzylidenemalononitrile, Cs Gas, Chloroacetophenone, Cn Gas, Nitrochloromethane
Generic synonyms: Chemical Weapon, Gas
Specialized synonyms: Chlorobenzylidenemalononitrile, Cs Gas, Chloroacetophenone, Cn Gas, Nitrochloromethane
Medical Definition of Tear gas
1. A gas, such as acetone, benzene bromide, and xylol, that causes irritation of the conjunctiva and profuse lacrimation. See: lacrimator. (05 Mar 2000)