air brakenoun [ C ]
uk/ˈeə ˌbreɪk/us/ˈer ˌbreɪk/a brake operated by air pressure, used on large vehicles such as buses and trains
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The engine & engine parts
- abs
- battery
- carburettor
- cutout
- flywheel
- idle
- motorized
- pickup
- piston
- plug
- power steering
- radiator
- rev
- silencer
- sump
- tailpipe
- tappet
- throttle
- transmission
- universal joint
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Railways: trains & parts of trains