ignition

About 3.03 uses per million words.

Meaning

1. noun The act of igniting.
2. noun The initiation of combustion.
3. noun A system for activating combustion in a combustion engine.
4. noun Receptacle for a key used to start the engine in a vehicle.

   Put the key in the ignition and turn it right.

5. noun The phenomenon of a thermonuclear fusion reaction becoming self-sustaining and no longer requiring external heating.English Wikipedia has an article on:fusion ignitionWikipedia

Similar words

kindling lighting firing ignition system combustion flammability lit inflammation arsonist flame

Often followed by

of system and switch temperature is timing coil key

Word family

ignitions