ignition

nouns

the process of initiating combustion or catching fire
ignition
is derived from
ignite
is a type of (narrower)
the process of combustion of inflammable materials producing heat and light and (often) smoke
"fire was one of our ancestors' first discoveries"
fire, flame, flaming
the mechanism that ignites the fuel in an internal-combustion engine
ignition, ignition system
the act of setting something on fire
firing, ignition, inflammation, kindling, lighting
is derived from
ignite
is derived from
ignite