Definition of Feedback

1. Noun. The process in which part of the output of a system is returned to its input in order to regulate its further output.

Generic synonyms: Action, Activity, Natural Action, Natural Process
Specialized synonyms: Negative Feedback, Positive Feedback, Regeneration
Derivative terms: Feed Back

2. Noun. Response to an inquiry or experiment.
Generic synonyms: Answer, Reply, Response
Derivative terms: Feed Back

Definition of Feedback

1. Noun. Critical assessment on information produced ¹

2. Noun. (context: cybernetics systems) The signal that is looped back to control a system within itself. ¹

3. Noun. The high-pitched howling noise heard when there's a loop between a microphone and a speaker. ¹

4. Verb. (music) To generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker. ¹

5. Verb. (transitive) To provide informational feedback to. ¹

6. Verb. (transitive) To convey by means of specialized communications channel. ¹

¹ Source:

Definition of Feedback

1. the return of a portion of the output to the input [n -S]

Medical Definition of Feedback

1. The return of some of the output of a system as input so as to exert some control in the process. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Feedback Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Feedback Images

Lexicographical Neighbors of Feedback

feed grains
feed horn
feed horns
feed in
feed into
feed off
feed on
feed out of
feed the dragon
feed the meter
feed the troll
feed upon
feed zone
feed zones
feedback (current term)
feedback activation
feedback circuit
feedback control
feedback inhibition
feedback loop
feedback regulation
feedback system
feedback transfer function
feedback transfer functions

Literary usage of Feedback

Below you will find example usage of this term as found in modern and/or classical literature:

1. Supervising Child Protective Services Caseworkers by Thomas D. Morton, Marsha K. Salus (1995)
"Effectiveness in giving staff feedback is based on supervisors' level of competence (whether they give feedback that meets the criteria described earlier), ..."

2. Socratic Circles: Fostering Critical and Creative Thinking in Middle and by Matt Copeland (2005)
"Encouraging Mo re Mea n in gfu 1 feedback Meaningful feedback from the outer ... Without meaningful feedback the inner circle has a less clear idea of how ..."

3. Precision Spectroscopy, Diode Lasers, and Optical Frequency Measur edited by Leo Hollberg (2000)
"The high sensitivity of diode lasers to optical feedback is a well-known ... Under certain circumstances this sensitivity to feedback can be put to ..."

4. Motivational Enhancement Therapy Manual: A Clinical Research Guide for by William R. Miller (1994)
"The first MET session should always include feedback to the client from the pretreatment assessment. This is done in a structured way, providing clients ..."

5. Promise and Problems of E-Democracy: Challenges of Online Citizen Engagement by OECD Staff, Oecd (2003)
"Analysis and feedback of e-contributions OECD guiding principle number 8 on "accountability" states (OECD, 2001, p. 15): Governments have an obligation to ..."

6. Utilisation and Reliability of High Power Proton Accelerators: Workshop by NEA Nuclear Science Committee (2005)
"A significant improvement of the feedback effect due to the particularities of the neutron production in a spallation target is expected. ..."

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