American English

Definition of extinction noun from the Oxford Advanced American Dictionary



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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. a campaign to save wild koalas from extinction Will technology in music drive creativity to extinction? A comet colliding with the earth may have caused the mass extinction of the dinosaurs.
See the Oxford Advanced Learner's Dictionary entry: extinction