Definition of extinction
- extinction of a species
the extinction of all life in the region
the extinction of many old traditions
Mass extinctions of prehistoric animals are known to have occurred.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'extinction.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
What made you want to look up extinction? Please tell us where you read or heard it (including the quote, if possible).