macroevolution

noun mac·ro·evo·lu·tion \ˈma-krō-ˌe-və-ˈlü-shən also -ˌē-və-\

Definition of MACROEVOLUTION

: evolution that results in relatively large and complex changes (as in species formation)

— mac·ro·evo·lu·tion·ary \-shə-ˌner-ē\ adjective

1939

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