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Definición de “perturbation” en inglés

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.
(Definition of perturbation from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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