Lamarckianism


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Lamarckianism: catastrophism

La·marck·ism

 (lə-mär′kĭz′əm) also La·marck·i·an·ism (-kē-ə-nĭz′əm)
n.
A theory of biological evolution holding that the changes occurring in an organism through use and disuse of its body parts in response to environmental change are inherited by its offspring.

[After Chevalier Jean Baptiste Pierre Antoine de Monet de Lamarck.]
References in periodicals archive ?