Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Feedback that results in amplification or growth of the output signal.
Wiktionary
- n. physics a feedback loop in which the output of a system is amplified with a net positive gain and added to the input signal before the main amplifier
WordNet 3.0
- n. feedback in phase with (augmenting) the input
Examples
“The proposed circuit architecture is foreshadowing design principles that include transient signaling inputs, self-sustaining positive feedback loops, and crossantagonism among alternate cell fate determinants.”
“The best predictor of future ethnic strife is acts of revenge for previous ethnic violence, and so as AQI and JAM declined in strength a reinforcing positive feedback loop began to take hold, and the numbers of Iraqi civilians dying in sectarian violence began a sharp decline from a high of around ninety every day in December 2006 to single digits two years later.”
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