combustion

noun

com·​bus·​tion kəm-ˈbəs-chən How to pronounce combustion (audio)
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
combustive 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 on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The filing also details TVA's compliance with environmental regulations, including the management of coal combustion residuals and the implementation of a groundwater monitoring program. Quartz Bot, Quartz, 14 Nov. 2024 Flaring, or the destruction of methane by combustion, is a way to ensure that the gas is destroyed and can’t reach the atmosphere while providing less expensive, renewable energy for local communities. Dee Lawrence, Forbes, 6 Nov. 2024 Finally, the car releases spent combustion gases to the atmosphere through its tailpipe. Michael Leamy, Discover Magazine, 2 Nov. 2024 The two planetary boundary processes stratospheric ozone depletion (the loss of the ozone layer due to chemicals like CFCs) and atmospheric aerosol loading (primarily driven by the incomplete combustion of fossil fuels) are currently within the green zone at a global scale. Johan Rockström, TIME, 2 Oct. 2024 See all Example Sentences for combustion 

Word History

Etymology

Middle English combustioun "burning, calcination," borrowed from Anglo-French & Late Latin; Anglo-French combustion, borrowed from Late Latin combustiōn-, combustiō "burning up (of the dead or by the fires in hell)," from Latin combus-, variant stem of combūrere "to destroy with fire, reduce to ashes" + -tiōn-, tiō, suffix of verbal action — more at combust

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of combustion was in the 15th century

Dictionary Entries Near combustion

Cite this Entry

“Combustion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/combustion. Accessed 1 Dec. 2024.

Kids Definition

combustion

noun
com·​bus·​tion kəm-ˈbəs-chən How to pronounce combustion (audio)
1
: an act or instance of burning
2
: a chemical process in which substances combine with oxygen

Medical Definition

combustion

noun
com·​bus·​tion kəm-ˈbəs-chən How to pronounce combustion (audio)
: a usually very rapid chemical process (as oxidation) that produces heat and usually light
also : a slower oxidation (as in the body)

More from Merriam-Webster on combustion

Last Updated: - Updated example sentences
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