| combustion chamber [kǝm`bǝs·chǝn ´chām·bǝr] AEROSPACE ENGINEERING That part of the rocket engine in which the combustion of propellants takes place at high pressure. Also known as firing chamber. ENGINEERING Any chamber in which a fuel such as oil, coal, or kerosine is burned to provide heat. MECHANICAL ENGINEERING The space at the head end of an internal combustion engine cylinder where most of the combustion takes place. |