ignition
noun/ɪɡˈnɪʃən/
Etymology Learned borrowing from Latin ignītiō. By surface analysis, ignite + -ion.
1
The act of igniting.
2
The initiation of combustion.
3
Automotive, Engineering, Mechanical, Mechanical engineering, Natural sciences, Physical sciences, Transport, Vehicles A system for activating combustion in a combustion engine.
4
Automotive, Transport, Vehicles Receptacle for a key used to start the engine in a vehicle.
- Put the key in the ignition and turn in right.
5
Natural sciences, Physical sciences, Physics The phenomenon of a thermonuclear fusion reaction becoming self-sustaining and no longer requiring external heating.
- Derived terms
- autoignition, basic ignition timing, dynamic ignition timing, ignition timing, preignition, reignition, entry ignition engine, false ignition, ignition coil, ignition interlock, ignition key, ignition temperature, ignition tube test
- Related terms
- ignite