- air brake
- noun Date: 1871 1. a brake operated by a piston driven by compressed air 2. a surface that may be projected into the airstream for increasing drag and lowering the speed of an airplane
New Collegiate Dictionary. 2001.
New Collegiate Dictionary. 2001.
Air brake — Brake Brake (br[=a]k), n. [OE. brake; cf. LG. brake an instrument for breaking flax, G. breche, fr. the root of E. break. See Break, v. t., and cf. {Breach}.] 1. An instrument or machine to break or bruise the woody part of flax or hemp so that… … The Collaborative International Dictionary of English
Air brake — may refer to the following contexts:* Air brake (aircraft), in aeronautics, a type of flight control system used on aircraft to reduce speed* Railway air brake, a type of brake operated by compressed air and used on locomotives and railroad cars… … Wikipedia
Air brake — (Mach.) A railway brake powered by compressed air. Knight. Syn: airbrake. [1913 Webster] … The Collaborative International Dictionary of English
air brake — ☆ air brake n. 1. a brake operated by the action of compressed air on a piston 2. popularly SPEED BRAKE … English World dictionary
air brake — air′ brake n. 1) mac a brake or system of brakes operated by compressed air 2) aer. a device for reducing the air speed of an aircraft by increasing its drag • Etymology: 1870–75, amer … From formal English to slang
air-brake — airˈ brake noun 1. A brake worked by compressed air 2. A means of reducing the speed of an aircraft • • • Main Entry: ↑air … Useful english dictionary
air brake — air ,brake noun count a type of BRAKE (=piece of equipment to make a vehicle stop or go more slowly) that works by air pressure, for example on a bus or truck … Usage of the words and phrases in modern English
air brake — noun 1. : a brake operated by a piston driven by compressed air from reservoirs connected to brake cylinders by triple valves which upon reduction of air pressure in the brake pipe automatically admit air from the reservoirs into the brake… … Useful english dictionary
air brake — 1. a brake or system of brakes operated by compressed air. 2. Aeron. a device for reducing the air speed of an aircraft by increasing its drag. 3. a device for stopping the sails of a windmill by disrupting the flow of air around them. [1870 75,… … Universalium
air brake — UK / US noun [countable] Word forms air brake : singular air brake plural air brakes a type of brake (= piece of equipment to make a vehicle stop or go more slowly) that works using compressed air, for example on a bus or truck … English dictionary
air brake — pneumatinis stabdys statusas T sritis automatika atitikmenys: angl. air brake; pneumatic brake vok. Druckluftbremse, f; pneumatische Bremse, f rus. воздушный тормоз, m; пневматический тормоз, m pranc. frein à air comprimé, m; frein aérodynamique … Automatikos terminų žodynas