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English definition of “oscillate”

oscillate

verb [I]     /ˈɒsɪleɪt/ formal
to move repeatedly between two positions or opinions : an oscillating fan The story oscillates between comedy and tragedy .Shaking, swinging and vibratingChangingAdapting and modifying Adapting and attuning to somethingChanging frequentlyChanging frequentlyChanging
oscillation     /ˌɒsɪˈleɪʃən/ noun [C, U]
(Definition of oscillate verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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