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evolutionary

adjective
 
 
/ˌiː.vəˈluː.ʃən.ər.i/ /ˌev.əˈ-/ US  /-er-/

Definition

relating to the way in which living things develop over millions of yearsMaking progress and advancingBecoming betterChange and changes involving a gradual process of change and development: The change has been evolutionary rather than revolutionary.Making progress and advancingBecoming betterChange and changes
(Definition of evolutionary adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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