Definition of extinction noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ɪkˈstɪŋkʃn//
; NAmE NAmE//ɪkˈstɪŋkʃn//
[uncountable, countable] Conservation
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a situation in which a plant, an animal, a way of life, etc. stops existing a tribe threatened with extinction/in danger of extinction The mountain gorilla is on the verge of extinction. We know of several mass extinctions in the earth's history. a campaign to save wild koalas from extinction Will technology in music drive creativity to extinction? The dormouse in Britain may face extinction if ancient woodland continues to disappear. A comet colliding with the earth may have caused the mass extinction of the dinosaurs. See related entries: Conservation Word Originlate Middle English: from Latin exstinctio(n-), from exstinguere ‘quench’, from ex- ‘out’ + stinguere ‘quench’.Extra examples The island’s way of life is doomed to extinction. These animals are now on the verge of extinction. the mass extinction of the dinosaurs
See the Oxford Advanced American Dictionary entry: extinction