power steering(redirected from Power assist steering)
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A system that facilitates the steering of a vehicle, especially by means of hydraulic devices controlled by the steering wheel but powered by the vehicle's engine.
(Automotive Engineering) a form of steering used on vehicles, where the torque applied to the steering wheel is augmented by engine power. Also called: power-assisted steering
an automotive steering system in which the engine's power is used to supplement the driver's effort in turning the steering wheel.