Definition of combustion
1 : an act or instance of burning Smoke is produced during combustion.
2 : a usually rapid chemical process (such 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 \kəm-ˈbə-stiv\ adjective
Examples of combustion in a Sentence
Combustion may occur at high temperatures.
This ratio of air to fuel results in better combustion.
Recent Examples of combustion from the Web
The biggest problem is that internal combustion engines are actually pretty good.
The company will no longer design any new models with conventional internal combustion engines after that date.
Soot — which emerges from combustion and is largely comprised of a substance called black carbon – influences a property of snow called albedo, or reflectivity.
Typically, the sticks are heated to less than 350 degrees Celsius (662 degrees Fahrenheit), whereas combustion for a smoking cigarette occurs at over 600 degrees Celsius.
Costs are coming down but not fast enough yet to compete, head to head, with combustion engines.
The Juliana plaintiffs argue that the federal government has known for at least 50 years that combustion of fossil fuels adds carbon dioxide to the atmosphere and damages the climate.
So if EVs can’t compete with internal combustion engines on price, then what’s the good of offering government incentives to buy them?
The Syrma concept -- developed by 11 students from Milan's Istituto Europeo di Design, and presented at the 2015 Geneva Motor Show -- keeps its foot in the old and new by having a 4.0-liter twin-turbo V6 combustion engine mated to an electric motor.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'combustion'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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
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