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1. Oxford Dictionary

   negative feedback

   • n.
     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.；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.

   • noun: negative feedback

2. • 更多解釋

   negative feedback

   • IPA[ˈneɡədiv ˈfēdˌbak]

   • n.
     the diminution or counteraction of an effect by its own influence on the process giving rise to ...

   Oxford American Dictionary