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Meaning of feedback

feed•back

Pronunciation: (fēd'bak"), [key]
— n.
    1. the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input(negative feedback)or to aid the input(positive feedback).
    2. Seeacoustic feedback.
  1. the furnishing of data concerning the operation or output of a machine to an automatic control device or to the machine itself, so that subsequent or ongoing operations of the machine can be altered or corrected.
  2. a reaction or response to a particular process or activity: He got very little feedback from his speech.
  3. evaluative information derived from such a reaction or response: to study the feedback from an audience survey.
  4. knowledge of the results of any behavior, considered as influencing or modifying further performance. Cf. biofeedback.
  5. a self-regulatory biological system, as in the synthesis of some hormones, in which the output or response affects the input, either positively or negatively.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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