noun ser·vo·mech·a·nism \ˈsər-vō-ˌme-kə-ˌni-zəm\

Definition of servomechanism

  1. :  an automatic device for controlling large amounts of power by means of very small amounts of power and automatically correcting the performance of a mechanism

Origin and Etymology of servomechanism

servo- (as in servomotor) + mechanism

First Known Use: 1926

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