combustion chamber

American  

noun

Machinery.

1. a chamber, as in an engine or boiler, where combustion occurs.

---

combustion chamber British  

noun

1. an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn

---

combustion chamber Scientific  

1. An enclosure in which combustion, especially of a fuel or propellant, is initiated and controlled.

2. See also internal-combustion engine

---

Etymology

Origin of combustion chamber

First recorded in 1850–55

Example Sentences

See Examples For:

combustion chamber

Connecting the combustion chamber to a turbine and converting its intense combustion into electricity created an additional engineering challenge.

From Science Daily ● Aug. 4, 2026

The need for cooling meant redesigning the combustion chamber itself, and incorporating a new air-to-water heat exchanger.

From The Wall Street Journal ● Feb. 12, 2026

According to the report, the engine can slow the intake of air to less than the speed of sound prior to entering the combustion chamber.

From Washington Times ● Feb. 22, 2023

“It’s a combustion chamber of trauma — that’s what Memphis is,” said Mr. Franklin, 36.

From New York Times ● Feb. 3, 2023

The inclination of the valves permits the use of large valves, and these open directly into the combustion chamber.

From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?