perturbation

Noun
  1. An unhappy and worried mental state (synset 114426686)
    "there was too much anger and disturbance"; "she didn't realize the upset she caused me"
    is a type of: agitation - a mental state of extreme emotional disturbance
    same as: disturbance, upset
  2. (physics) a secondary influence on a system that causes it to deviate slightly (synset 111434988)
    referred to in: natural philosophy, physics - the science of matter and energy and their interactions
    is a type of: influence - the effect of one thing (or person) on another
    subtypes: variation - (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
  3. Activity that is a malfunction, intrusion, or interruption (synset 107443050)
    "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"
    is a type of: activity - any specific behavior
    subtypes:
    same as: disturbance
  4. A disposition that is confused or nervous and upset (synset 104912173)
    is a type of: discomposure - a temperament that is perturbed and lacking in composure
    same as: fluster
  5. The act of causing disorder (synset 100554210)
    is a type of: disturbance - the act of disturbing something or someone; setting something in motion
    subtypes:
    same as: disruption

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