Noun
ignition temperature (plural ignition temperatures)
Alternative form of autoignition temperature
Although the reactants are stable at room temperature, they burn with an extremely intense exothermic reaction when they are heated to ignition temperature. Source: Internet
The addition of barium nitrate to thermite increases its thermal effect, produces a larger flame, and significantly reduces the ignition temperature. Source: Internet
Sulfur's main role in gunpowder is to decrease the ignition temperature. Source: Internet