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feedback

Pronunciation: /ˈfiːdˌbæk/

The English word “feedback” has 6 meanings listed here.

noun

Critical assessment of a process or activity or of their results.
The part of an output signal that is looped back into the input to control or modify a system.
The high-pitched howling noise heard when there is a loop between a microphone and a speaker.

verb

To generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.
To provide informational feedback to.
To convey by means of specialized communications channel.

Etymology

From feed + back.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.