air horn

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• Air horn — The air horn is a device designed to create an extremely loud noise. It is usually composed of a pressurized air source coupled to a horn through a valve which allows the device to be turned on and off. Air horns have been installed on large semi …   Wikipedia

• air horn — [1] The upper part of a carburetor into which the air is drawn. The choke butterfly is located in this air horn. [2] It is also a term used for a warning horn which is operated by forcing compressed air through a reed …   Dictionary of automotive terms

• air horn — noun 1. a pneumatic horn • Hypernyms: ↑horn 2. air intake of a carburetor • Hypernyms: ↑intake, ↑inlet • Part Holonyms: ↑carburetor, ↑carburettor * * * …   Useful english dictionary

• air horn — /ˈɛə hɔn/ (say air hawn) noun a horn activated by a pressurised air source, used on large vehicles such as trucks, fire engines, etc …  

• air horn — a horn activated by compressed air. Also, airhorn. * * * …   Universalium

• air horn baffle — Used on some Rochester Quadrajet carburetors to prevent incoming air from forcing fuel into the secondary wells through the bleed tubes. Prevents secondary nozzle lag during heavy acceleration …   Dictionary of automotive terms

• Horn (acoustic) — A horn is a tapered sound guide designed to provide an acoustic impedance match between a sound source and free air. This has the effect of maximising the efficiency with which sound waves from the particular source are transferred to the air.… …   Wikipedia

• horn — A device for sounding an alarm. On some entry level vehicles, a single horn makes a high pitch beep. On more expensive vehicles, the sound is made with two or more horns. The sound is made by an electrical charge which activates and deactivates a …   Dictionary of automotive terms

• horn — I (New American Roget s College Thesaurus) n. antler, cornu, callus, nail; saddle horn, pummel, pommel; blower, tooter, tin horn, ram s horn, shofar, French horn, trumpet, etc. (see music); horn of plenty, cornucopia; powder horn. See hardness,… …   English dictionary for students

• Horn & Hardart — is a company that came to prominence as the proprietor of the first automat in New York City. German born Frank Hardart and Philadelphia s Joseph Horn opened their first restaurant together in Philadelphia on December 22, 1888. The vest pocket… …   Wikipedia

• Air raid — refers to an attack by aircraft against ground targets. The term is generally used for strategic bombing attacks, while airstrike is used for smaller tactical attacks.WarAttack*Bombing of Guernica (April 26, 1937), the first air attack aimed at… …   Wikipedia