| 单词 | macroevolution |
| 释义 | macroevolution[ mak-roh-ev-uh-loo-shuhn or, especially British, -ee-vuh- ] / ˌmæk roʊˌɛv əˈlu ʃən or, especially British, -ˌi və- / noun Biology.major evolutionary transition from one type of organism to another occurring at the level of the species and higher taxa. Origin of macroevolutionFirst recorded in 1935–40; macro- + evolution OTHER WORDS FROM macroevolutionmac·ro·ev·o·lu·tion·ar·y, adjectiveWords nearby macroevolutionMacrodantin, macrodome, macrodontia, macroeconomics, macroetch, macroevolution, macroform, macrofossil, macrogamete, macrogametocyte, macrogenitosomia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for macroevolutionmacroevolution / (ˌmækrəʊˌiːvəˈluːʃən) / nounbiology the evolution of large taxonomic groups such as genera and families Derived forms of macroevolutionmacroevolutionary, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for macroevolutionmacroevolution [ măk′rō-ĕv′ə-lōō′shən ] Evolution that results in the formation of a new taxonomic group above the level of a species. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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