Aperiodic means non-periodic. Typically it refers to aperiodic function. Aperiodic may also refer to: Aperiodic finite state automaton Aperiodic frequency Aperiodic graph Aperiodic semigroup Aperiodic set of prototiles Aperiodic tiling
See also Periodic (disambiguation) Strange attractor, a region reached asymptotically by a dynamic system showing no periodic repeating pattern