The act or process of burning.
A process wherein a fuel is combined with oxygen, usually at high temperature, releasing heat.
A process whereby two chemicals are combined to produce heat.
Violent agitation, tumult.
The act of igniting.
The phenomenon of a thermonuclear fusion reaction becoming self-sustaining and no longer requiring external heating.
The initiation of combustion.
A system for activating combustion in a combustion engine.
Receptacle for a key used to start the engine in a vehicle.