[ nee-oh-dahr-wi-niz-uhm ]
/ ˌni oʊˈdɑr wɪˌnɪz əm /
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noun Biology.

the theory of evolution as expounded by later students of Charles Darwin, especially Weismann, holding that natural selection accounts for evolution and denying the inheritance of acquired characters.
any modern theory of evolution holding that species evolve by natural selection acting on genetic variation.



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The rainy weather could not ________ my elated spirits on my graduation day.

Origin of neo-Darwinism

First recorded in 1900–05
ne·o-Dar·win·i·an, adjective, nounne·o-Dar·win·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for neo-Darwinism

/ (ˌniːəʊˈdɑːwɪnˌɪzəm) /


the modern version of the Darwinian theory of evolution, which incorporates the principles of genetics to explain how inheritable variations can arise by mutation
Neo-Darwinian, adjective, noun
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

Medical definitions for neo-Darwinism

[ nē′ō-därwə-nĭz′əm ]


Darwinism as modified by the findings of modern genetics.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for neo-Darwinism

[ nē′ō-därwə-nĭz′əm ]

Darwinism as modified by the findings of modern genetics, stating that mutations due to random copying errors in DNA cause variation within a population of individual organisms and that natural selection acts upon these variations.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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