extinctor

noun2

1. •
   A cause of extinction.

   • […] can be extrapolated robustly to the energy scales of civilization-ending impacts and perhaps even to mass extinctors. — 2002
2. •
   (old-fashioned) An extinguisher.

   • These chemical extinctors are of all sizes; they range from small bottles upward, to large double-tank machines, and drawn by horses. — 1899