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neo-Lamarckism

American  
[nee-oh-luh-mahr-kiz-uhm] / ˌni oʊ ləˈmɑr kɪz əm /

noun

Biology.

  1. Lamarckism as expounded by later biologists who hold especially that some acquired characters of organisms may be inherited by descendants, but that natural selection also is a factor in evolution.

Neo-Lamarckism British  
/ ˌniːəʊləˈmɑːkɪzəm /

noun

  1. a theory of evolution based on Lamarckism, proposing that environmental factors could lead to adaptive genetic changes

"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

Other Word Forms

  • Neo-Lamarckian adjective
  • neo-Lamarckian adjective
  • neo-Lamarckist noun

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

So we come to the only one of the present forms of evolution which remains for us to mention, viz., neo-Lamarckism.

From Creative Evolution by Mitchell, Arthur

There, to our thinking, is one of the most solid positions of neo-Lamarckism.

From Creative Evolution by Mitchell, Arthur

That is to say that neo-Lamarckism is no more able than any other form of evolutionism to solve the problem.

From Creative Evolution by Mitchell, Arthur

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.