- ignition - the process of initiating combustion
--1 is a kind of natural process, natural action, action, activity
--1 has particulars: spontaneous combustionDerived form: verb ignite1 - ignition, ignition system - the mechanism that ignites the fuel in an internal-combustion engine
--2 is a kind of mechanism
--2 is a part of electrical system
--2 has parts:distributor, distributer, electrical distributor; ignition coil; ignition switch; magneto, magnetoelectric machine; spark coil; spark gap; spark plug, sparking plug, plug - ignition, firing, lighting, kindling, inflammation - the act of setting on fire or catching fire
--3 is a kind of burning, combustion
Derived forms: verb ignite2, verb ignite1