[{"Bold_text": "noun", "List Items": ["Electronics.the process of returning part of the output of a circuit, system, or device to the input, either to oppose the inputnegative feedbackor to aid the inputpositive feedback. acoustic feedback acoustic feedback.", "the process of returning part of the output of a circuit, system, or device to the input, either to oppose the inputnegative feedbackor to aid the inputpositive feedback.", "acoustic 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."]}]