negative feedback
stability mechanism which occurs when some function of the output of a system, process, mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances
en-US/ˈnɛɡətɪv ˈfidˌbæk/
en-GB/ˈnɛɡətɪv ˈfiːdbæk/