'Combustion' definitions:

Definition of 'combustion'

(from WordNet)
noun
A process in which a substance reacts with oxygen to give heat and light [syn: combustion, burning]
noun
A state of violent disturbance and excitement; "combustion grew until revolt was unavoidable"
noun
The act of burning something; "the burning of leaves was prohibited by a town ordinance" [syn: burning, combustion]

Definition of 'Combustion'

From: GCIDE
  • Combustion \Com*bus"tion\ (?; 106), n. [L. combustio: cf. F. combustion.]
  • 1. The state of burning. [1913 Webster]
  • 2. (Chem.) The combination of a combustible with a supporter of combustion, producing heat, and sometimes both light and heat. [1913 Webster]
  • Combustion results in common cases from the mutual chemical action and reaction of the combustible and the oxygen of the atmosphere, whereby a new compound is formed. --Ure. [1913 Webster]
  • Supporter of combustion (Chem.), a gas, as oxygen, the combination of which with a combustible, as coal, constitutes combustion. [1913 Webster]
  • 3. Violent agitation; confusion; tumult. [Obs.] [1913 Webster]
  • There [were] great combustions and divisions among the heads of the university. --Mede. [1913 Webster]
  • But say from whence this new combustion springs. --Dryden. [1913 Webster]

Synonyms of 'combustion'

From: Moby Thesaurus