feedback

US /ˈfiːd.bæk/
UK /ˈfiːd.bæk/
"feedback" picture
1.

information about reactions to a product, a person's performance of a task, etc., used as a basis for improvement.

:
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We welcome your feedback on our new service.
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The teacher gave constructive feedback to the students.
:
responsereactioncommentinputcritique
2.

the modification or control of a process or system by its results or effects, for example in a mechanical or electronic system.

:
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The system uses feedback to maintain a stable temperature.
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Audio feedback can cause a high-pitched squeal.
:
feedback loop