Meaning of FEEDBACK in English

FEEDBACK

I. ˈ ̷ ̷ˌ ̷ ̷ noun

( -s )

Usage: often attributive

1. : the return to the input of a part of the output of a machine, system, or process: as

a. : the return to the input of a part of the output of an electronic amplifying system leading to increased amplification or decreased amplification or control of the quality of the signal — see negative feedback , positive feedback

b. : the return to the input of a part of the output of a mechanism, this part of the input constituting information that reports discrepancies between intended and actual operation and leads to a self-correcting action that can be utilized (as in the automatic operation of machinery)

feedback control system

2. : the partial reversion of the effects of a given process to its source or to a preceding stage so as to reinforce or modify it — used especially of biological, psychological, and social systems

II. noun

: the transmission of evaluative or corrective information about an action, event, or process to the original or controlling source ; also : the information so transmitted

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.