Get the Oxford Advanced American Dictionary app Find out more about Oxford American Dictionaries for learners of English Get an Oxford Advanced American Dictionary searchbox for your website Ask Text Checker

Definition of evolution noun from the Oxford Advanced American Dictionary

Academic

evolution

noun
/ˌɛvəˈluʃn/ evolution pronunciation American
[uncountable]
 
1 (biology) the gradual development of plants, animals, etc. over many years as they adapt to changes in their environmentthe evolution of the human speciesDarwin's theory of evolution2 the gradual development of somethingIn politics he preferred evolution to revolution (= gradual development to sudden violent change).