spontaneous combustion

(redirected from Self ignition)
Also found in: Thesaurus, Medical, Encyclopedia.

spontaneous combustion

n.
Ignition of a substance, such as oily rags or hay, caused by a localized heat-increasing reaction between the oxidant and the fuel and not involving addition of heat from an outside source.

spontaneous combustion

n
(Chemistry) the ignition of a substance or body as a result of internal oxidation processes, without the application of an external source of heat, occurring in finely powdered ores, coal, straw, etc

sponta′neous combus′tion


n.
the ignition of a substance or body without heat from any external source.
[1800–10]

spon·ta·ne·ous combustion

(spŏn-tā′nē-əs)
The bursting into flame of a mass of material as a result of chemical reactions within the substance, without the addition of heat from an external source. Oily rags and damp hay, for example, are subject to spontaneous combustion.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spontaneous combustion - ignition of a substance (as oily rags) resulting from an internal oxidation process
ignition - the process of initiating combustion or catching fire
Translations

spontaneous combustion

nautocombustione f
References in periodicals archive ?
Properties Values Latent heat (kJ/kg) 855 Octane number 106 Lower calorific value 2600 Boiling point (oC) 78 Self ignition temperature (oC) 420