English

Noun

extinctor ‎(plural extinctors)

1. A cause of extinction.
   • 2002, Christian Koeberl, ‎Kenneth G. MacLeod, Catastrophic Events and Mass Extinctions: Impacts and Beyond

     […] can be extrapolated robustly to the energy scales of civilization-ending impacts and perhaps even to mass extinctors.

2. (dated) An extinguisher.
   • 1899, Frederic Morell Holmes, Firemen and their exploits (page 136)

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