combustion
//kəmˈbʌs.tʃən//
Noun
1
The process of burning something, especially a chemical reaction in which a substance reacts rapidly with oxygen and produces heat and light.
The combustion of fossil fuels releases carbon dioxide into the atmosphere.
2
The act or process of burning fuel in an engine to produce power.
The internal combustion engine converts fuel into mechanical energy.
3
A state of intense activity, agitation, or tumult.
The announcement caused a combustion of emotions in the crowd.