combustion
🇺🇸 /kəˈmbʌstʃən/
📖 Definitions
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noun
The process of burning something; a chemical reaction between a substance and an oxidant that produces heat and light.; A state of violent agitation or tumult; a disturbance.; Spontaneous ignition of a substance without an external source of heat.
🔗 Details
Word forms
uncountable
Collocations
internal combustion enginespontaneous combustioncombustion chambercombustion processcomplete combustionincomplete combustion
Derivatives
combustcombustiblecombustiveprecombustionpost-combustion
Synonyms
burningincinerationoxidationignition
Commonly confused
ignition
EN: 'Ignition' is the act of starting combustion (the spark); 'combustion' is the ongoing process of burning itself.
combustible
EN: 'Combustible' is an adjective (or noun) meaning capable of being burned; 'combustion' is the noun for the process of burning.
Spelling tips
EN: Remember the silent 'b' before 'ust' and the '-tion' ending: com-bus-tion, not 'combussion' or 'combustian'.
💬 Examples
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The combustion of fossil fuels releases carbon dioxide into the atmosphere.
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The controversial decision threw the entire community into combustion.
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The hay bales caught fire due to spontaneous combustion caused by internal heat buildup.