Definition of combustion in English:


Syllabification: com·bus·tion
Pronunciation: /kəmˈbəsCHən


  • 1The process of burning something: the combustion of fossil fuels
    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.
    burning; kindling, ignition
  • 1.1 Chemistry Rapid chemical combination of a substance with oxygen, involving the production of heat and light.
    More 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.



Pronunciation: /-ˈbəstiv/
More 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'.

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Pronunciation: skōSH
a small amount; a little