You searched for: “deflagration
deflagration (s) (noun), deflagrations (pl)
1. Combustion that is transmitted along the surface of a chemical substance at a fast rate being promoted by the transfer of heat: Experts say that quick explosive reactions are referred to as deflagrations.
2. A process of subsonic combustion that usually propagates through thermal conductivity: Deflagration describes the process of hot burning material which heats up the next layer of cold material and ignites it.
3. The kindling, or burning off in a crucible, a mixture of salt, or some mineral substance, with a gradual sparkling combustion of any substance without a violent explosion: Deflagration is particularly applied to combustion produced by nitre or niter, which is a colorless or white crystalline compound used in gunpowders, pyrotechnics, fertilizers, and as a preservative for foods; especially, as a curing salt for ham, sausages, etc.