单词 | air brake |
释义 | air brakenouna brake or system of brakes operated by compressed air. Aeronautics. a device for reducing the air speed of an aircraft by increasing its drag. a device for stopping the sails of a windmill by disrupting the flow of air around them. Origin of air brakeAn Americanism dating back to 1870–75 Words nearby air brakeair-bone gap, airborne, airborne alert, airborne command post, air-bound, air brake, airbrasive, air-breathe, air-breather, air brick, air bridge Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for air brakeBritish Dictionary definitions for air brakeair brake nouna brake operated by compressed air, esp in heavy vehicles and trains Also called: dive brake an articulated flap or small parachute for reducing the speed of an aircraft a rotary fan or propeller connected to a shaft to reduce its speed Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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