ETYM Latin combustio: cf. French combustion.
Burning, defined in chemical terms as the rapid combination of a substance with oxygen, accompanied by the evolution of heat and usually light. A slow-burning candle flame and the explosion of a mixture of gasoline vapor and air are extreme examples of combustion.
A process in which a substance reacts with oxygen to give heat and light; SYN. burning.
The rapid oxidation of a substance involving heat and light.
ETYM Latin conflagratio: cf. French conflagration.
A very intense and uncontrolled fire; SYN. inferno.