extinctive

[ ik-stingk-tiv ]
/ ɪkˈstɪŋk tɪv /

adjective

tending or serving to extinguish.

Origin of extinctive

First recorded in 1590–1600; extinct + -ive

British Dictionary definitions for extinctive

extinctive
/ (ɪkˈstɪŋktɪv) /

adjective

tending or serving to extinguish or make extinct