macroevolution
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mac·ro·ev·o·lu·tion
(măk′rō-ĕv′ə-lo͞o′shən, -ē′və-)n.
Large-scale evolution occurring over a very long period time that results in the formation of new species and higher-level taxonomic groups.
mac′ro·ev′o·lu′tion·ar′y (-shə-nĕr′ē) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
macroevolution
(ˌmækrəʊˌiːvəˈluːʃən)n
(Biology) biology the evolution of large taxonomic groups such as genera and families
ˌmacroˌevoˈlutionary adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
mac•ro•ev•o•lu•tion
(ˌmæk roʊˌɛv əˈlu ʃən; esp. Brit. -ˌi və-)n.
major evolutionary change of species and taxa.
[1935–40]
mac`ro•ev`o•lu′tion•ar′y, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun | 1. | ![]() organic evolution, phylogenesis, phylogeny, evolution - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms |
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