feedback
/'fi:dbæk/
Học thuậtThân thiện
Definition
- Noun:
- Information or statements of opinion about something, such as a new product or a person's work, that provide an idea of whether it is successful or liked: "Feedback" can refer to comments, criticism, or evaluations given to help improve performance or a product.
- (Electronics, Biology, Systems) The process by which a system regulates itself by returning part of its output as input: In technical contexts, "feedback" describes a control mechanism where a portion of the output signal is looped back to the input to control the system's behavior.
Usage Examples
- Noun (General Evaluation):
- The manager asked for feedback on the new policy.
- I received positive feedback from my teacher on the essay.
- Noun (Technical Process):
- The audio system produced a loud screech due to microphone feedback.
- Negative feedback is essential for maintaining homeostasis in the human body.
Advanced Usage
- "to give/provide feedback": to offer an evaluation or response.
- Please give me your honest feedback on the presentation.
- "to receive/get feedback": to obtain an evaluation or response.
- We got a lot of useful feedback from the beta testers.
- "feedback loop": a system structure where the output influences the input, creating a cycle of cause and effect.
- The thermostat uses a feedback loop to maintain the room temperature.
Variants and Related Words
- Feed back (verb phrase): To return part of an output to the input. (Note: This is a phrasal verb, distinct from the noun "feedback").
- The data feeds back into the central computer for analysis.
Synonyms
- Response: a verbal or written answer.
- Evaluation: the making of a judgment about the amount, number, or value of something.
- Critique: a detailed analysis and assessment.
- Comment: an expressed opinion or reaction.
Related Phrases
- Constructive feedback: Helpful criticism intended to encourage improvement.
- Her constructive feedback helped me revise the project successfully.
- Feedback mechanism: The specific process or structure that enables feedback in a system.
- The body's temperature regulation relies on a complex feedback mechanism.
Idioms
- A feedback session: A meeting organized specifically to gather opinions and comments.
- After the workshop, we held a brief feedback session.
Noun
- response to an inquiry or experiment
- the process in which part of the output of a system is returned to its input in order to regulate its further output