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combustion Line breaks: com|bus¦tion
Pronunciation: /kəmˈbʌstʃ(ə)n/

Definition of combustion in English:


[mass noun]
1The process of burning something: the combustion of fossil fuels [as modifier]: a large combustion plant
More example sentences
  • Although greenhouse gases come from many sources, fossil fuel combustion is the prime human-induced source.
  • Twenty-five percent of total worldwide emissions come from fossil fuel combustion.
  • More traditionally, wood gas has been used to drive internal combustion piston engines.
1.1 Chemistry Rapid chemical combination of a substance with oxygen, involving the production of heat and light.
Example sentences
  • Heat causes combustion by increasing the oxidation rate of the fuel/oxygen mix.
  • Enols are less stable than carbonyls, and standard combustion mechanisms assume that they do not play a role.
  • Nitroglycerin is an explosive because no outside source of oxygen is needed for its complete combustion.


Example sentences
  • In the title role, she was pure combustive passion.
  • As spats go it was a fairly combustive one, and one which could have had a bloody conclusion when the veteran gunslinger and the new kid on the block met for their showdown in the Gleneagles Hotel dining room.
  • We believed the fireballs were a result of the carbon particles, oil, and combustive gases causing explosions in the exhaust cans, and the explosions created back pressure, resulting in hung stalls.


Late Middle English: from late Latin combustio(n-), from Latin comburere 'burn up'.

  • This word is from late Latin combustio(n-), from Latin comburere ‘burn up’.

Definition of combustion in:
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