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
How would you define perturbation?