autoignition temperature

(redirected from Autoignition point)
Also found in: Medical.

autoignition temperature

[¦ȯd·ō·ig¦nish·ən ′tem·prə·chər]
(chemistry)
The temperature at which a material (solid, liquid, or gas) will self-ignite and sustain combustion in air without an external spark or flame.
References in periodicals archive ?
There are many engine components of aircraft and ground vehicles that operate at temperatures well above the autoignition point of Jet A.
The theory states that if piping contains a flammable gas and there is an inrush of fluid (or fluid transient) into the piping, the gas can adiabatically compress to its autoignition point (similar to a diesel engine), and then the gas, given sufficient quantity and pressure, can ignite and explode.
This does not concern you since the warmest temperature achieved in the chamber is well below the autoignition point of the fluid.