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macroevolution

[ mak-roh-ev-uh-loo-shuhnor, especially British, -ee-vuh- ]

noun

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

macroevolution

/ ˌmækrəʊˌiːvəˈluːʃən /

noun

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

macroevolution

/ măk′rō-ĕv′ə-lo̅o̅′shən /

  1. Evolution that results in the formation of a new taxonomic group above the level of a species.

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Derived Forms

  • ˌmacroˌevoˈlutionary, adjective

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Other Words From

  • macro·evo·lution·ary adjective

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Word History and Origins

Origin of macroevolution1

First recorded in 1935–40; macro- + evolution

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