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Definitions of perturbation
  1. noun
    a disposition that is confused or nervous and upset

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  2. noun
    activity that is a malfunction, intrusion, or interruption
    "the term `distress' connotes some degree of perturbation and emotional upset"

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  3. noun
    the act of causing disorder

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  4. noun
    an unhappy and worried mental state

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  5. noun
    (physics) a secondary influence on a system that causes it to deviate slightly
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Explanation of perturbation
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