Extinction is defined as the act of ending the existence of a plant or animal.(noun)
An example of extinction is killing off the last of a rare bird.
The definition of extinction is putting something out.(noun)
An example of extinction is putting out a fire at a campsite.
See extinction in Webster's New World College Dictionary
Origin: ME extinccioun < L exstinctio < exstinctus: see extinct
See extinction in American Heritage Dictionary 4
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