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   negative feedback

   noun

   • 1. the diminution or counteraction of an effect by its own influence on the process giving rise to it, as when a high level of a particular hormone in the blood may inhibit further secretion of that hormone, or where the result of a certain action may inhibit further performance of that action.
   • 2. the return of part of an output signal to the input, which is out of phase with it, so that amplifier gain is reduced and the output is improved.

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