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Perturbation

noun

Definitions

Noun
  1. 1
    Agitation; the state of being perturbed. uncountable

    "Reſtore your ſelues, vnto your temper, Fathers; / And, vvithout perturbation, heare me ſpeake: […]"

  2. 2
    the act of causing disorder wordnet
  3. 3
    A small change in a physical system, or more broadly any definable system (such as a biological or economic system). countable

    "Natures that haue much Heat, and great and violent deſires and Perturbations, are not ripe for Action, till they haue paſſed the Meridian of their yeares: As it was with Iulius Cæſar, and Septimius Seuerus."

  4. 4
    a disposition that is confused or nervous and upset wordnet
  5. 5
    Variation in an orbit due to the influence of external bodies. countable
Show 3 more definitions
  1. 6
    activity that is a malfunction, intrusion, or interruption wordnet
  2. 7
    (physics) a secondary influence on a system that causes it to deviate slightly wordnet
  3. 8
    an unhappy and worried mental state wordnet

Etymology

Borrowed from Middle French perturbation, from Old French perturbacion, from Latin perturbatio.

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