combustion chamber

noun

Machinery.

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

combustion chamber

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

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

2. See also internal-combustion engine

Word History and Origins

Origin of combustion chamber¹

First recorded in 1850–55