evolution

US /ˌɛvəˈluʃən, ˌivə-/

UK /ˌi:və'lu:ʃn/

B1
n. (u.)Uncountable NounTheory that living things change over time
Most people today believe the theory of evolution
n. (u.)Uncountable NounProcess by which something develops over time
He studies the evolution of the automobile from its beginning
n. (u.)Uncountable NounThe process by which different kinds of living organisms are believed to have developed from earlier forms during the history of the earth.
Darwin's theory of evolution is widely accepted.

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