combustion

 
Pronunciation: /kəmˈbʌstʃ(ə)n/

noun

[mass noun]
  • the process of burning something: the combustion of fossil fuels [as modifier]: a large combustion plant
  • Chemistry rapid chemical combination of a substance with oxygen, involving the production of heat and light.

Derivatives

combustive

adjective

Origin:

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