Weismannism: Meaning and Definition of

Weis•mann•ism

Pronunciation: (vīs'män-iz"um), [key]
— n. Biol.
  1. the theories of heredity as expounded by Weismann, esp. the theory that all inheritable characteristics are carried in the germ plasm, and that acquired characteristics cannot be inherited.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.