Definition of combustion
1 : an act or instance of burning <Smoke is produced during combustion.>
2 : a usually rapid chemical process (as oxidation) that produces heat and usually light <The carburetor mixes fuel with air for combustion.>; also : a slower oxidation (as in the body)
3 : violent agitation : tumult < … periods of great social combustion alternating with quiescence … — Kurt Andersen>
combustiveplay \-ˈbəs-tiv\ adjective
Examples of combustion in a sentence
Combustion may occur at high temperatures.
This ratio of air to fuel results in better combustion.
Origin and Etymology of combustion
First Known Use: 15th century
COMBUSTION Defined for English Language Learners
Definition of combustion for English Language Learners
: the act of burning
: a chemical reaction that occurs when oxygen combines with other substances to produce heat and usually light
COMBUSTION Defined for Kids
Definition of combustion for Students
: the process of burning
Medical Definition of combustion
: a usually very rapid chemical process (as oxidation) that produces heat and usually light; also : a slower oxidation (as in the body)
Seen and Heard
What made you want to look up combustion? Please tell us where you read or heard it (including the quote, if possible).