feedback loop

noun
UK /ˈfiːdbæk luːp/
US /ˈfiːdbæk luːp/

A feedback loop is when what happens after something goes back and changes the thing that started it.

The thermostat creates a feedback loop: when the room gets cold, the heater turns on, and when it warms up, the heater turns off.


OTHER MEANINGS

2. In electronics, a feedback loop is a path that sends part of a signal back to the input to control or steady the circuit.

The amplifier uses a feedback loop to keep the sound from getting too loud.

3. In biology, a feedback loop is a body process where a change triggers a response that adjusts the original change.

Sweating is part of a feedback loop that helps your body cool down.

4. In business or systems, a feedback loop is when results are shared back so people can improve what they do next time.

The team set up a feedback loop so customers' comments shape the next version of the app.