Search Result for "punctuated equilibrium":
Wordnet 3.0

NOUN (1)

1. a theory of evolution holding that evolutionary change in the fossil record came in fits and starts rather than in a steady process of slow change;
[syn: punctuated equilibrium, theory of punctuated equilibrium]



WordNet (r) 3.0 (2006):

punctuated equilibrium
    n 1: a theory of evolution holding that evolutionary change in
         the fossil record came in fits and starts rather than in a
         steady process of slow change [syn: punctuated
         equilibrium, theory of punctuated equilibrium]