microevolution

[ mahy-kroh-ev-uh-loo-shuhn or, especially British, -ee-vuh- ]

/ ˌmaɪ kroʊˌɛv əˈlu ʃən or, especially British, -ˌi və- /

noun Biology.

evolutionary change involving the gradual accumulation of mutations leading to new varieties within a species.

minor evolutionary change observed over a short period of time.

Origin of microevolution

First recorded in 1935–40; micro- + evolution

OTHER WORDS FROM microevolution

mi·cro·ev·o·lu·tion·ar·y, adjective

Words nearby microevolution

microelectrophoresis, microencapsulation, microencephaly, microenvironment, microerythrocyte, microevolution, microfarad, microfauna, microfiber, microfibre, microfibril

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for microevolution

Biologists use the phrase “microevolution” to refer to changes within a group of organisms over a relatively short period of time.
Sarah Palin, Creationist?|Benjamin Sarlin|November 19, 2009|DAILY BEAST
Benjamin Sarlin reads between the lines of her views on "microevolution."
Sarah Palin, Creationist?|Benjamin Sarlin|November 19, 2009|DAILY BEAST
In doing so, however, she manages to obscure the extent of those creationist beliefs by citing her acceptance of “microevolution.”
Sarah Palin, Creationist?|Benjamin Sarlin|November 19, 2009|DAILY BEAST

Medical definitions for microevolution

microevolution

[ mī′krō-ĕv′ə-lōō′shən, -ē′və- ]

n.

Evolution resulting from a succession of relatively small genetic variations that often cause the formation of new subspecies.

Scientific definitions for microevolution

microevolution

[ mī′krō-ĕv′ə-lōō′shən ]

Evolutionary change below the level of the species, resulting from relatively small genetic variations. Microevolution produces new strains of microorganisms, for example, or the rise of a new subspecies. The accumulation of many microevolutionary changes results in macroevolution.

单词	microevolution
释义	microevolution [ mahy-kroh-ev-uh-loo-shuhn or, especially British, -ee-vuh- ] / ˌmaɪ kroʊˌɛv əˈlu ʃən or, especially British, -ˌi və- / noun Biology. evolutionary change involving the gradual accumulation of mutations leading to new varieties within a species. minor evolutionary change observed over a short period of time. Origin of microevolution First recorded in 1935–40; micro- + evolution OTHER WORDS FROM microevolution mi·cro·ev·o·lu·tion·ar·y, adjective Words nearby microevolution microelectrophoresis, microencapsulation, microencephaly, microenvironment, microerythrocyte, microevolution, microfarad, microfauna, microfiber, microfibre, microfibril Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for microevolution Biologists use the phrase “microevolution” to refer to changes within a group of organisms over a relatively short period of time. Sarah Palin, Creationist?\|Benjamin Sarlin\|November 19, 2009\|DAILY BEAST Benjamin Sarlin reads between the lines of her views on "microevolution." Sarah Palin, Creationist?\|Benjamin Sarlin\|November 19, 2009\|DAILY BEAST In doing so, however, she manages to obscure the extent of those creationist beliefs by citing her acceptance of “microevolution.” Sarah Palin, Creationist?\|Benjamin Sarlin\|November 19, 2009\|DAILY BEAST Medical definitions for microevolution microevolution [ mī′krō-ĕv′ə-lōō′shən, -ē′və- ] n. Evolution resulting from a succession of relatively small genetic variations that often cause the formation of new subspecies. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for microevolution microevolution [ mī′krō-ĕv′ə-lōō′shən ] Evolutionary change below the level of the species, resulting from relatively small genetic variations. Microevolution produces new strains of microorganisms, for example, or the rise of a new subspecies. The accumulation of many microevolutionary changes results in macroevolution. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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