a chamber, as in an engine or boiler, where combustion occurs.
Origin of combustion chamber
First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for combustion chamber
Fourth: Close the doors of the ash-pit and of the combustion-chamber and start the draft by means of the fan.Gas-Engines and Producer-Gas Plants|R. E. Mathot
British Dictionary definitions for combustion chamber
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for combustion chamber
An enclosure in which combustion, especially of a fuel or propellant, is initiated and controlled. See also internal-combustion engine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.