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Definition of white noise noun from the Oxford Advanced Learner's Dictionary

white noise

noun

/ˌwaɪt ˈnɔɪz/

/ˌwaɪt ˈnɔɪz/

[uncountable] (physics)

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noise that contains many different sound frequencies that are equally strong, for example the noise that comes from a television or radio that is turned on but not tuned inTopics TV, radio and newsc2

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