ignition
UK /ɪɡˈnɪʃən/ US /ɪɡˈnɪʃən/
noun 5
Definitions
noun
1
The act of igniting.
2
The initiation of combustion.
3
A system for activating combustion in a combustion engine.
4
Receptacle for a key used to start the engine in a vehicle.
Put the key in the ignition and turn in right.
5
The phenomenon of a thermonuclear fusion reaction becoming self-sustaining and no longer requiring external heating.
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