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definitions

extinctive

[ik-stingk-tiv]
adjective
  1. tending or serving to extinguish.

Origin of extinctive

First recorded in 1590–1600; extinct + -ive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for extinctive

extinctive

adjective
  1. tending or serving to extinguish or make extinct
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012