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lamarckism

 - 3 dictionary results

La⋅marck⋅ism

  [luh-mahr-kiz-uhm]
Use lamarckism in a Sentence
–noun
the Lamarckian theory that characteristics acquired by habit, use, or disuse may be passed on to future generations through inheritance.
Origin:
1880–85; Lamarck + -ism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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La·marck·ism   (lə-mär'kĭz'əm)   
n.  A theory of biological evolution holding that species evolve by the inheritance of traits acquired or modified through the use or disuse of body parts.

[After Chevalier de Jean Baptiste Pierre Antoine de Monet Lamarck.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: La·marck·ism
Pronunciation: l&-'mär-"kiz-&m
Function: noun
: a theory of organic evolution asserting thatenvironmental changes cause structural changes in animals and plants that are transmitted to offspring
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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