power brake 1
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
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
Hypernym
brake 1
noun
a restraint used to slow or stop a vehicle
Part_meronym
motor vehicle 1
noun
a self-propelled wheeled vehicle that does not run on rails
EnglishHyponym
airbrake 2
noun
a vehicular brake that operates by compressed air; especially for heavy vehicles
Part_holonym
motor vehicle 1
noun
a self-propelled wheeled vehicle that does not run on rails
