Word forms: (regular plural) servo-mechanisms
noun (Automotive engineering: Vehicle components, Bodywork, controls, and accessories) A servo-mechanism is a system or device that provides increased power to operate a control. ⇒ The electromechanical servo-mechanism is designed to collect an exhaust sample at a rate that is proportional to engine airflow. ⇒ Any mechanism which adds to the efforts of the driver in applying the brakes is called a servo-mechanism. ⇒ A servo-mechanism such as a vacuum-assisted brake adds to the driver's effort.
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