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English definition of “noise”

noise

noun [U] (SIGNAL)    /nɔɪz/ specialized
any bad change in a signal, especially in a signal produced by an electronic device: Using a single chip reduces (the) noise on the output signal by 90 percent.Communications technology - general words
(Definition of noise noun (SIGNAL) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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