feedback
[ feed-bak ]
/ ˈfidˌbæk /
noun
Electronics.
- 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).
- acoustic feedback.
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.
a reaction or response to a particular process or activity: He got very little feedback from his speech.
evaluative information derived from such a reaction or response: to study the feedback from an audience survey.
Psychology. knowledge of the results of any behavior, considered as influencing or modifying further performance.Compare biofeedback.
Biology. 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.
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Origin of feedback
First recorded in 1915–20; noun use of verb phrase feed back
Words nearby feedback
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for feedback
British Dictionary definitions for feedback
feedback
/ (ˈfiːdˌbæk) /
noun
verb, adverb feed back
(tr) to return (part of the output of a system) to its input
to offer or suggest (information, ideas, etc) in reaction to an inquiry, experiment, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for feedback
feedback
[ fēd′băk′ ]
n.
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 process.
The portion of the output so returned.
The return of information about the result of a process or activity.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for feedback
feedback
[ fēd′băk′ ]
The supply of an input to some process or system as a function of its output. See more at negative feedback positive feedback.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for feedback
feedback
A process in which a system regulates itself by monitoring its own output. That is, it “feeds back” part of its output to itself. Feedback is used to control machines; a heating system, for example, uses a thermostat to monitor and adjust its output. Feedback is also used by the human brain to control various muscles and joints.
notes for feedback
By extension, “feedback” is any response or information about the result of a process.
notes for feedback
Feedback is usually a feature of automation.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.