Definition of aperiodic in English:



  • 1Not periodic; irregular.

    ‘aperiodic fluctuations’
    • ‘With respect to the former, suggested population dynamics of cannibals include a variety of regimes such as equilibrium, periodic cycles, aperiodic cycles, and chaotic dynamics.’
    • ‘In describing this ‘Australasia’ as marked by an impoverished geology and the aperiodic occurrence of el ninos, Flannery tells a morality tale about what happens when life forms exceed the limits of their environment.’
    • ‘Partial aperiodic reinforcement, for example, evokes a rather more persistent response than one might expect, though Skinner would scoff at interpreting such persistence as hope springing eternal.’
    • ‘By extracting information from noisy, aperiodic and intermittent signals, wavelet transforms are making an impact in medicine, astronomy, imaging and beyond’
    • ‘Although the tiling is mainly periodic, a few tiles have been placed differently from the others, wrecking the periodicity; the whole tiling is aperiodic.’
    • ‘It was a very near facsimile of an aperiodic pattern he had created twenty years ago.’
    • ‘The activation of the pair-rule genes by the gap genes results in the transformation of the embryonic pattern along the antero-posterior axis from an aperiodic regionalization to a periodic one.’
    irregular, uneven, varying, variable, erratic, jerky, unreliable, volatile, spasmodic, sporadic, changeable, changing, fluctuating, wavering, vacillating, inconstant, intermittent, fitful, desultory, occasional, unsystematic
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    1. 1.1Physics Denoting a potentially oscillating or vibrating system (such as an instrument with a pointer) that is damped to prevent oscillation or vibration.
      • ‘Aperiodic damping is obtained by means of an aluminium vane.’