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macroevolution

American  
[mak-roh-ev-uh-loo-shuhn, -ee-vuh-] / ˌmæk roʊˌɛv əˈlu ʃən, -ˌi və- /

noun

Biology.
  1. major evolutionary transition from one type of organism to another occurring at the level of the species and higher taxa.


macroevolution British  
/ ˌmækrəʊˌiːvəˈluːʃən /

noun

  1. biology the evolution of large taxonomic groups such as genera and families

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

macroevolution Scientific  
/ măk′rō-ĕv′ə-lo̅o̅shən /
  1. Evolution that results in the formation of a new taxonomic group above the level of a species.


Other Word Forms

  • macroevolutionary adjective

Etymology

Origin of macroevolution

First recorded in 1935–40; macro- + evolution

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Moreover, the study touches on broader questions of macroevolution: how new species arise, adapt and diversify.

From Science Daily

A latest example is his superb critique of the classic creationist claim that while microevolution has been observed, macroevolution, the origin of new species, has not.

From Forbes

Rather, Abzhanov showed that the same forces that shape microevolution — minor alterations within species — also drive macroevolution, the evolution of whole new features and new groups of species.

From Scientific American

It may be helpful to differentiate between macroevolution and microevolution in the somatic evolution of DCCs.

From Nature

So if you are really denying “macroevolution”, you should be questioning the validity of pretty much all of science.

From Scientific American