tear gas
UK /ˈtɪə ɡæs/US /ˈtɪɹ ɡæs/
noun1
- Any lachrymatory, non-lethal chemical compound that causes the eyes to sting and water and/or irritates the respiratory system, mostly used for controlling crowds during riots or as self-defense.
verb1
forms
tear gassed · tear-gassed · tear gassing · tear-gassing · tear gases · tear gasses · tear-gases