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English definition of “feedback”

feedback

noun [U] (MACHINE)    /ˈfiːd.bæk/
the sudden , high, unpleasant noise sometimes produced by an amplifier when sound it produces is put back into it: Jimi Hendrix loved to fling his guitar around to get weird and wonderful sounds from the feedback.Audio and video equipment specialized engineering the return back into a machine or system of part of what it produces , especially to improve what is produced : Feedback from the sensors ensures that the car engine runs smoothly .Machinery and machinesHousehold equipment and domestic chores
(Definition of feedback noun (MACHINE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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