perturbation

CEFRC1

/pˌɜrtəˈrbeɪʃən/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A state of worry, confusion, or disorder.

  2. 02

    noun

    Extra detail

    A small change in a physical system, or more broadly any definable system (such as a biological or economic system).

Examples

  • A slight perturbation in the orbit was detected by astronomers.

  • The perturbation of the planet's orbit was minimal.

At a glance

Sits at C1 on the CEFR scale

Senses
4
Parts of speech
1
Citations
3

Deep Dive

noun

Extra meanings

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

  2. Agitation; the state of being perturbed.

More examples

In context

  • The perturbation theory was used to model the system.

  • 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.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

The sudden drop in temperature caused a blank in the weather pattern.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

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