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feedback

noun [U] (MACHINE)
 
 
/ˈfiːd.bæk/

Definition

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 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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