extinguishant

[ik-sting-gwi-shuhnt]

noun

1. a substance used in extinguishing fires.

extinguishant

/ ɪkˈstɪŋɡwɪʃənt /

noun

1. a substance, such as a liquid, foam, powder, etc, used in extinguishing fires

Word History and Origins

Origin of extinguishant¹

extinguish + -ant