perturbation definition

  • noun:
    • The work of perturbing.
    • their state to be perturbed; agitation.
    • A small improvement in a physical system.
    • Physics & Astronomy Variation in a designated orbit, as of a planet, resulting from the influence of one or more external bodies.
    • Agitation; their state to be perturbed
    • a little improvement in a physical system, or higher generally any definable system (such a biological or economic system)
    • Variation in an orbit due to the impact of external bodies
    • The work of perturbing, and/or condition to be perturbed; esp., agitation of mind.
    • A disturbance in regular elliptic or other motion of a heavenly human body, created by some power extra to this which causes its regular movement.
    • The work of perturbing, or even the condition of being perturbed; disturbance; disorder; specifically, disquiet of brain; restlessness or want of tranquillity of brain; commotion of passions.
    • Variation; especially, irregular or violent difference.
    • a factor in disquiet.
    • In astronomy, a deviation of this movement of a planet or comet from a fixed orbit or from its regular velocity because orbit.
    • a disposition that's perplexed or stressed and upset
    • (physics) a secondary influence on a system that triggers it to deviate a little
    • activity this is certainly a malfunction, intrusion, or interruption
    • the act of causing disorder
    • an unhappy and worried state of mind

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