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perturbation

noun

Etymology

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

  1. derived from perturbatio
  2. derived from perturbacion
  3. borrowed from perturbation

Definitions

  1. Agitation

    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.

  2. A small change in a physical system, or more broadly any definable system (such as a…

    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.

  3. Variation in an orbit due to the influence of external bodies.

The neighborhood

Derived

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

Vish — recursive loop

No curated loop yet for perturbation. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA