n.
Pronunciation: ' ma-kr ō - ˌ e-v ə - ' lü-sh ə n also - ˌ ē -v ə -
Function: noun
Date: 1939
: evolution that results in relatively large and complex changes (as in species formation)
– mac · ro · evo · lu · tion · ary \ -sh ə - ˌ ner- ē \ adjective