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Related to power brake: air brake
A motor vehicle brake assisted by a power mechanism operated by the engine that amplifies pressure applied to the brake pedal.
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|Noun||1.||power brake - a brake on an automobile that magnifies a small force applied to the brake pedal into a proportionately larger force applied to slow or stop the vehicle|
airbrake - a vehicular brake that operates by compressed air; especially for heavy vehicles
brake - a restraint used to slow or stop a vehicle