Theory of punctuated equilibrium/θˈɪriəvpˈəŋktʃuˌeɪtɪdˌikwəlˈɪbriəm/Listen
Theory of punctuated equilibrium
noun
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. Synonym:punctuated equilibrium.