sternutator

[ stur-nyuh-tey-ter ]
/ ˈstɜr nyəˌteɪ tər /

noun Chemical Warfare.

a chemical agent causing nose irritation, coughing, etc.

Origin of sternutator

First recorded in 1920–25; back formation from sternutatory

British Dictionary definitions for sternutator

sternutator
/ (ˈstɜːnjʊˌteɪtə) /

noun

a substance that causes sneezing, coughing, and tears; used in chemical warfare