Dictionary

perturbation en · NOUN

Pronunciation

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Etymology

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

Meanings

1. (uncountable) Agitation; the state of being perturbed.
   • Reſtore your ſelues, vnto your temper, Fathers; / And, vvithout perturbation, heare me ſpeake: […] 1611, Ben[jamin] Jonson, Catiline His Conspiracy, London: […] [William Stansby?] for Walter Burre, →OCLC, Act IIII:
   • 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. 1815 December (indicated as 1816), [Jane Austen], chapter V, in Emma: […], volume I, London: […] [Charles Roworth and James Moyes] for John Murray, →OCLC:
2. (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. 1625, Francis [Bacon], “Of Youth and Age. XLII.”, in The Essayes […], 3rd edition, London: […] Iohn Haviland for Hanna Barret, →OCLC, pages 247–248:
3. (countable) Variation in an orbit due to the influence of external bodies.

Forms

Deriveds

perturbation theory · subperturbation · reperturbation · perturbational · cosmological perturbation theory · photoperturbation · preperturbation

Relateds

perturb · perturbatory

Translations (37)

pl perturbacja (agitation) · ca pertorbació (agitation) · io perturbo (a small change in a physical system or any definable system) · ml അസ്വസ്ഥത (agitation) · fr perturbation (agitation) · bg смущение (agitation) · es perturbación (variation in an orbit) · de Störung (agitation) · hu zavar (agitation) · ru смяте́ние (agitation) · mk растројување (a small change in a physical system or any definable system) · ja 摂動 (variation in an orbit) · fi poikkeuma (variation in an orbit) · fi häiriö (agitation) · fi häiriö (a small change in a physical system or any definable system) · az çaxnaşma (agitation) · eo perturbo (a small change in a physical system or any definable system) · ru возмуще́ние (variation in an orbit) · ru пертурба́ция (variation in an orbit) · it perturbazione (a small change in a physical system or any definable system) · es perturbación (agitation) · pl perturbacja (variation in an orbit) · mk растројување (variation in an orbit) · hu perturbáció (variation in an orbit) · es perturbación (a small change in a physical system or any definable system) · mk пертурбација (variation in an orbit) · it perturbazione (agitation) · ga corraí (agitation) · pt perturbação (agitation) · ru пертурба́ция (a small change in a physical system or any definable system) · sv bestörtning (agitation) · fi poikkeutus (variation in an orbit) · fi poikkeuma (a small change in a physical system or any definable system) · it perturbazione (variation in an orbit) · pl perturbacja (a small change in a physical system or any definable system) · fi poikkeutus (a small change in a physical system or any definable system) · hu perturbáció (a small change in a physical system or any definable system)