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English definition of “extinction”

extinction

noun [U] uk   /ɪkˈstɪŋk.ʃən/ us  
C1 a situation in which something no longer exists: The extinction of the dinosaurs occurred millions of years ago. Many species of plants and animals are in danger of/threatened with extinction (= being destroyed so that they no longer exist). Some people predict the extinction of family life as we know it today.Death and dying
(Definition of extinction from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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