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English definition of “evolution”

evolution

noun [U] uk   /ˌiː.vəˈluː.ʃən/ /ˌev.ə-/ us  
B2 the way in which living things change and develop over millions of years: Darwin's theory of evolution B2 a gradual process of change and development: the evolution of language
(Definition of evolution from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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