1. The process of initiating combustion or catching fire 
2. The mechanism that ignites the fuel in an internal-combustion engine
   - ignition system 
3. The act of setting something on fire
   - firing, lighting, kindling, inflammation

Derived forms: ignitions

See also: ignite

Type of: burning, combustion, fire, flame, flaming, mechanism

Part of: electrical system

Encyclopedia: Ignition

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