The Collaborative International Dictionary
Weismannism
Weismannism \Weis"mann*ism\, n. (Biol.) The theories and teachings in regard to heredity propounded by the German biologist August Weismann, esp. in regard to germ plasm as the basis of heredity and the impossibility of transmitting acquired characteristics; -- often called neo-Darwinism.
Usage examples of "weismannism".
THE DEADLOCK IN DARWINISM--PART III Now let me return to the recent division of biological opinion into two main streams--Lamarckism and Weismannism Both Lamarckians and Weismannists, not to mention mankind in general, admit that the better adapted to its surroundings a living form may be, the more likely it is to outbreed its compeers.