exhaust

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exhaust

1. gases ejected from an engine as waste products
2. 
a. the expulsion of expanded gas or steam from an engine
b. (as modifier): exhaust stroke
3. 
a. the parts of an engine through which the exhausted gases or steam pass
b. (as modifier): exhaust valve

exhaust

[ig′zȯst]
(mechanical engineering)
The working substance discharged from an engine cylinder or turbine after performing work on the moving parts of the machine.
The phase of the engine cycle concerned with this discharge.
A duct for the escape of gases, fumes, and odors from an enclosure, sometimes equipped with an arrangement of fans.
(science and technology)
References in periodicals archive ?
Akrapovic, a Slovenian manufacturer of exhaust systems, is collaborating with Audi Sport, a subsidiary of Volkswagen AG (Xetra: VW).
Wagner worked to incorporate laminar flow technology into the systems and chose not to use the stamped out and welded together half-sections common in OEM exhausts as he said they create flow turbulence and back pressure on the engine.
USPRwire, Mon Aug 10 2015] Automotive Exhaust Systems Market by After-Treatment Device (DPF, DOC, LNT, & SCR), Components (Exhaust Manifold, Downpipe, Catalytic Converter, Muffler & Tailpipe), Fuel Type (Gasoline & Diesel) and by Region - Trends & Forecast to 2020
Honda is now offering the Akrapovic performance brand exhausts as an accessory on the CBR1000RR Fireblade, priced at pounds 978.
Tony added: "Word has quickly spread among the younger generation of so called 'pimped' cars where bigger or unique exhausts are all part of the appearance of their modified vehicles.
The ruling then concluded that P and S failed to exhaust their effective and practical remedies because they failed to invoke competent authority procedures.
A venturi is essentially a restriction in the ductwork that accelerates the gases, and the position of the venturi plug is continuously adjusted to control exhaust gas volume to maintain an upper stack temperature of 1550F (843C).