[ vahys-mahn-iz-uhm ]

  1. the theories of heredity as expounded by Weismann, especially the theory that all inheritable characteristics are carried in the germ plasm, and that acquired characteristics cannot be inherited.

Origin of Weismannism

First recorded in 1890–95; Weismann + -ism

Other words from Weismannism

  • Weis·mann·i·an, adjective, noun

Words Nearby Weismannism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Weismannism in a sentence

British Dictionary definitions for Weismannism


/ (ˈvaɪsmənˌɪzəm) /

  1. the doctrine of the continuity of the germ plasm. This theory of heredity states that all inheritable characteristics are transmitted by the reproductive cells and that characteristics acquired during the lifetime of the organism are not inherited

Origin of Weismannism

C19: named after August Weismann (1834–1914), German biologist

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