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feedback

Pronunciation: /ˈfiːdbak/

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Definition of feedback

noun

[mass noun]

1information about reactions to a product, a person’s performance of a task, etc. which is used as a basis for improvement.

2the modification or control of a process or system by its results or effects, for example in a biochemical pathway or behavioural response. See also negative feedback, positive feedback.

3the return of a fraction of the output signal from an amplifier, microphone, or other device to the input of the same device; sound distortion produced by this.