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[nee-oh-dahr-wi-niz-uh m] /ˌni oʊˈdɑr wɪˌnɪz əm/
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.
Origin of neo-Darwinism
First recorded in 1900-05
Related forms
neo-Darwinian, adjective, noun
neo-Darwinist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for neo-Darwinism
Historical Examples
  • We would emphasise that it is not Darwinism we are attacking, but that which is erroneously called neo-Darwinism.

    The Making of Species Douglas Dewar
  • neo-Darwinism is a pathological growth on Darwinism, which, we fear, can be removed only by a surgical operation.

    The Making of Species Douglas Dewar
  • This affords a striking instance of the pernicious influence which neo-Darwinism is exercising on the minds of men to-day.

    The Making of Species Douglas Dewar
  • I had as yet no idea that a writer could attack neo-Darwinism without attacking evolution.

    Unconscious Memory Samuel Butler
British Dictionary definitions for neo-Darwinism


the modern version of the Darwinian theory of evolution, which incorporates the principles of genetics to explain how inheritable variations can arise by mutation
Derived Forms
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
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neo-Darwinism in Medicine

Neo-Darwinism Ne·o-Dar·win·ism (nē'ō-där'wə-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.
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neo-Darwinism in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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