auto-ignition temperature

The autoignition temperature or kindling point of a substance is the lowest temperature at which it will spontaneously ignite in a normal atmosphere without an external source of ignition, such as a flame or spark. This temperature is required to supply the activation energy needed for combustion. The temperature at which a chemical will detonate decreases as the pressure increases or oxygen concentration increases. It is usually applied to a combustible fuel mixture.
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Compare with flash point .Minimum temperature at which the vapor/air mixture over a liquid spontaneously catches fire.

kendiliğinden tutuşma;bir kıvılcım olmaksızın yanıcı bir maddenin tutuşması için en düşük sıcaklık