noun
non-lethal weapon
Technical term used in military, law enforcement, and security contexts for weapons designed to incapacitate without causing death.
警察は非致死性兵器を使用して暴徒を鎮圧した。
The police used non-lethal weapons to suppress the rioters.
Compound of 非 (non-), 致死性 (lethality), and 兵器 (weapon).