perturbation noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of perturbation noun from the Oxford Advanced American Dictionary

perturbation

noun

NAmE//ˌpərtərˈbeɪʃn//

1[uncountable] (formal) the state of feeling anxious about something that has happened synonym alarm

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2[countable, uncountable] (technology) a small change in the quality, behavior, or movement of something temperature perturbations

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