Definition of PERTURBATION

noun : PERTURBATION

Source: WordNet 3.1

  • 2. (

    ) (physics) a secondary influence on a system that causes it to deviate slightly ;

  • 3. (

    ) activity that is a malfunction, intrusion, or interruption; "the term `distress' connotes some degree of perturbation and emotional upset"; "he looked around for the source of the disturbance"; "there was a disturbance of neural function" ;


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