perturbation

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Definition of perturbation

3 senses · 1 part of speech · etymology included

noun

(uncountable)Agitation; the state of being perturbed.

“Reſtore your ſelues, vnto your temper, Fathers; / And, vvithout perturbation, heare me ſpeake: […]”
“But her mind had never been in such perturbation; and it needed a very strong effort to appear attentive and cheerful till the usual hour of separating allowed her the relief of quiet reflection.”

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noun

(uncountable)Agitation; the state of being perturbed.

“Reſtore your ſelues, vnto your temper, Fathers; / And, vvithout perturbation, heare me ſpeake: […]”
“But her mind had never been in such perturbation; and it needed a very strong effort to appear attentive and cheerful till the usual hour of separating allowed her the relief of quiet reflection.”
(countable)A small change in a physical system, or more broadly any definable system (such as a biological or economic system).

“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.”
(countable)Variation in an orbit due to the influence of external bodies.

Definitions from Wiktionary, CC BY-SA.

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

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