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)

macroevolutionary

play \-shə-ˌner-ē\ adjective

First Known Use of macroevolution

1937

in the meaning defined above

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