: a closed space inside an engine in which fuel is burned
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This is the compression stroke of the engine, and the valves will be closed sealing off the combustion chamber to moisture.—John Paul Senior Manager Public Affairs and Traffic Safety Aaa Northeast, Hartford Courant, 17 Apr. 2026 Many are designed to work not just with the fuel injectors, but throughout the system, including the combustion chambers.—Bestreviews, Mercury News, 1 Apr. 2026 While previous tests lasted only a fraction of a second due to the risk of melting combustion chambers, the team recently ran the turbine for 303 seconds.—Aman Tripathi, Interesting Engineering, 27 Feb. 2026 The engine features multiple combustion chambers and fuel injection systems pioneered by the Nettuno V-6 in Stellantis’ Maserati luxury brand’s MC20 super car.—Mark Phelan, Freep.com, 25 Feb. 2026 See All Example Sentences for combustion chamber