- In an amplifier or system, feedback which is 180° out-of-phase with the input signal, thus opposing it. While this results in a decrease in gain, it also serves reduce distortion and noise, and to stabilize amplification. Also called degenerative feedback, negative feedback, inverse feedback, reverse feedback, or stabilized feedback.
- synonymdegenerative feedback
- noun a change in the structure of a cell or organ so that it no longer works properly