Ignition n. : The act of igniting, kindling, or setting on fire.

Ignition n. : The state of being ignited or kindled.

Example:
How do I get my car key unstuck from the Ignition?

Taxonomy
coil, ignition, Ignition system, spark, distributor, spark plugs, magneto, high voltage, magnetic field, breaker, breaker points, ignition coil, voltage, secondary windings, contact breaker, battery, distributor cap, cylinders.

Defination from the web:
Ignition system is a system for igniting a fuel-air mixture. ... The earliest internal combustion engines used a flame, or a heated tube, for ignition but these were quickly replaced by systems using an electric spark. ... The simplest form of spark ignition is that using a magnet. ...