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  1. perturbation

    • IPA[ˌpərdərˈbāSH(ə)n]


    • n.
      anxiety; mental uneasiness;a cause of anxiety or uneasiness
    • noun: perturbation, plural noun: perturbations

    • 釋義


    • 1. anxiety; mental uneasiness she sensed her friend's perturbation
    • a cause of anxiety or uneasiness Frank's atheism was more than a perturbation to Michael
    • 2. a deviation of a system, moving object, or process from its regular or normal state or path, caused by an outside influence some minor perturbation in his house's cash flow
    • a minor deviation in the course of a celestial body, caused by the gravitational attraction of a neighboring body.