·noun The state of burning.
II. Combustion ·noun Violent agitation; confusion; tumult.
III. Combustion ·noun The combination of a combustible with a supporter of combustion, producing heat, and sometimes both light and heat.
Burning, &c. (See spontaneous combustion.) ...
The Sailor's Word-Book
·add. ·- The clearance space in the cylinder of an internal combustion engine where the charge is co...
Webster's Dictionary of the English Language
·add. ·adj Designating, or pertaining to, any engine (called an Internal-combustion engine) in which...