Search Result for "darwinism": 
Wordnet 3.0

NOUN (1)

1. a theory of organic evolution claiming that new species arise and are perpetuated by natural selection; 



The Collaborative International Dictionary of English v.0.48:

Darwinism \Dar"win*ism\, n. (Biol.)
   The theory or doctrines put forth by Darwin. See above.
   --Huxley.
   [1913 Webster]


WordNet (r) 3.0 (2006):

Darwinism
    n 1: a theory of organic evolution claiming that new species
         arise and are perpetuated by natural selection