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English definition of “evolution”

evolution

noun [U]     /ˌiː.vəˈluː.ʃən/ /ˌev.ə-/
B2 the way in which living things change and develop over millions of years: Darwin's theory of evolutionMaking progress and advancingBecoming betterChange and changes B2 a gradual process of change and development: the evolution of languageChange and changesMaking progress and advancingBecoming better
(Definition of evolution noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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