Dictionary

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
ADVERTISEMENT

First Known Use of MACROEVOLUTION

1939

Browse

Next Word in the Dictionary: macrofossilPrevious Word in the Dictionary: macroetchAll Words Near: macroevolution
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears