negative feedback
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negative feedback (uncountable)
- A situation where some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.
- (physics) A feedback loop in which the output signal of a system is amplified with a net negative gain and added to the input signal, before the main amplifier.
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a feedback loop
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