tear gas /ˈtɪə ɡæs $ ˈtɪr-/ BrE AmE noun [uncountable]
a gas that stings your eyes, used by the police to control crowds:
The police used tear gas to break up the demonstration.
tear gas /ˈtɪə ɡæs $ ˈtɪr-/ BrE AmE noun [uncountable]
a gas that stings your eyes, used by the police to control crowds:
The police used tear gas to break up the demonstration.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012