Dictionary

Lamarckism

noun La·marck·ism \lə-ˈmär-ˌki-zəm\

Definition of LAMARCKISM

:  a theory of organic evolution asserting that environmental changes cause structural changes in animals and plants that are transmitted to offspring
La·marck·ian \-kē-ən\ adjective

Origin of LAMARCKISM

J.-B. de Monet de Lamarck
First Known Use: 1884
Medical Dictionary

Lamarckism

noun La·marck·ism \lə-ˈmär-ˌkiz-əm\

Medical Definition of LAMARCKISM

:  a theory of organic evolution asserting that environmental changes cause structural changes in animals and plants that are transmitted to offspring

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July 07, 2015
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