Weismannism definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a theory of heredity that emphasizes the continuity of the germ plasm from generation to generation and the rigid separation of the somatoplasm which dies in every generation, thus prohibiting the transmission of acquired characters
Origin: after August Weismann
Weismannism definition by American Heritage Dictionary
The theory that all heritable characteristics arise in the germ plasm and that acquired characteristics cannot be inherited.
Origin: After August Friedrich Leopold Weismann.