Definitions for macroevolutionˌmæk roʊˌɛv əˈlu ʃən; esp. Brit. -ˌi və-
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Random House Webster's College Dictionary
mac•ro•ev•o•lu•tionˌmæk roʊˌɛv əˈlu ʃən; esp. Brit. -ˌi və-(n.)
major evolutionary change of species and taxa.
Category: Biology
Origin of macroevolution:
1935–40
mac`ro•ev`o•lu′tion•ar′y(adj.)
Princeton's WordNet
macroevolution(noun)
evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups
Wiktionary
macroevolution(Noun)
Large-scale patterns or processes in the history of life, including the origins of novel organism designs, evolutionary trends, adaptive radiations and extinctions.
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