air brake(redirected from Air braking)
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1. A brake, especially on a motor vehicle, that is operated by compressed air.
2. A surface, such as an aileron, that can be projected into the airflow in order to decrease the airspeed of an airplane by increasing drag; a spoiler.
1. (Mechanical Engineering) a brake operated by compressed air, esp in heavy vehicles and trains
2. (Aeronautics) Also called: dive brake an articulated flap or small parachute for reducing the speed of an aircraft
3. (Mechanical Engineering) a rotary fan or propeller connected to a shaft to reduce its speed
1. a brake or system of brakes operated by compressed air.
2. a device for reducing the air speed of an aircraft by increasing its drag.