(n) 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. theory of punctuated equilibrium
[顿挫 / 頓挫, dùn cuòㄉㄨㄣˋ ㄘㄨㄛˋ] a transition (stop and change) in spoken sound, music or in brush strokes; a cadence; punctuated by a transition; with syncopated cadence (brush stroke in painting)#68801