[ 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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Origin of neo-Darwinism

First recorded in 1900–05

OTHER WORDS FROM neo-Darwinism

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. 2023

How to use neo-Darwinism in a sentence

  • 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

/ (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

Derived forms of Neo-Darwinism

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

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.