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English definition of “perturbation”

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perturbation

noun uk   /ˌpɜː.təˈbeɪ.ʃən/ us    /ˌpɝː.t̬ɚ-/

perturbation noun (WORRY)

[U] formal worry

perturbation noun (CHANGE)

[C or U] specialized physics a small change in the regular movement of an object: Perturbations in the orbit of the planet Uranus led to the discovery of Neptune in 1846.
Translations of “perturbation”
in Chinese (Traditional) 擔心, 煩惱…
in Chinese (Simplified) 担心, 烦恼…
(Definition of perturbation from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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