Define feedback. feedback synonyms, feedback pronunciation, feedback translation, English dictionary definition of feedback. n. 1. a. The return of a portion of the output of a process or system to the input, especially when used to maintain performance or to control a system or...
Definition of feedback in the Idioms Dictionary. feedback phrase. What does feedback expression mean? Definitions by the largest Idiom Dictionary.
Computer disk drives use feedback control to position the read/write heads accurately on a recording track. Complex systems such as the human body contain many feedback systems that interact with each other; the homeostasis mechanisms that control body temperature and acidity are good examples.