Definitions of perturbation:
  • noun:   a disposition that is confused or nervous and upset
  • noun:   activity that is an intrusion or interruption
  • noun:   (physics) a secondary influence on a system that causes it to deviate slightly
  • noun:   the act of causing disorder
  • noun:   an unhappy and worried mental state

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Book See perturbation used in context: 2 rhymes, 1 Shakespeare work, several books and articles.

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