from The American Heritage® Dictionary of the English Language, 4th Edition
- 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.
- n. The portion of the output so returned.
- n. Sound created when a transducer such as a microphone or electric guitar picks up sound from a speaker connected to an amplifier and regenerates it back through the amplifier.
- n. The return of information about the result of a process or activity; an evaluative response: asked the students for feedback on the new curriculum.
- n. The process by which a system, often biological or ecological, is modulated, controlled, or changed by the product, output, or response it produces.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Critical assessment on information produced
- n. The signal that is looped back to control a system within itself.
- n. The high-pitched howling noise heard when there's a loop between a microphone and a speaker.
- v. 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.
- v. To provide informational feedback to.
- v. To convey by means of specialized communications channel.
from the GNU version of the Collaborative International Dictionary of English
- n. the process in which part of the output of a system is returned to its input.
- n. response to an inquiry or experiment.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. submit (information) again to a program or automatic system
- v. respond to a query or outcome
- n. response to an inquiry or experiment
- n. the process in which part of the output of a system is returned to its input in order to regulate its further output
feed + back (Wiktionary)