\Ne`o-Dar"win*ism\, n.
The theory which holds natural selection, as explained by
Darwin, to be the chief factor in the evolution of plants and
animals, and denies the inheritance of acquired characters;
-- esp. opposed to {Neo-Lamarckism}. Weismannism is an
example of extreme Neo-Darwinism. -- {Ne`o-Dar*win"i*an}, a.
& n.