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airbrake

airbrake

5.5
A braking system on heavy vehicles that uses compressed air to slow and stop them
  • noun
  • /ˈɛrˌbreɪk/
  • Specialized
translation icon : freno neumático
  • The loud hiss of the airbrake indicated that the vehicle was slowing down quickly.

Examples

  • Airbrake fails on those two absolutely elementary features.

    Blog text (16)
  • The truck came to a sudden stop when the driver activated the airbrake.

  • Before driving the bus, the mechanic checked that all the airbrakes were functioning properly.

How Strong

parachute
119 2.0
airbrake
  • Specialized
5.5
decelerator
  • Specialized
6.5
governor
  • Specialized
11 7.4
speed bump
7 2.5

Surface Forms

airbrake singular
airbrakes plural

Morphology

airbrake = air + brake (transparent) = air + brake

This sense literally denotes a brake operated by compressed air, directly derivable from 'air' + 'brake'.

Etymology

Airbrake is made of the words air and brake, but here air means 'compressed air' that powers the system and brake means 'to slow or stop' (like the brakes on a car). So an airbrake is a brake used on heavy vehicles that works by using compressed air to stop or slow them.