Cars & Driving
- noun a subsystem of the spark ignition engine, its basic elements being the battery, the ignition switch, the ignition coil, the distributor, the sparking plugs, and the connecting cables.
- In an internal combustion engine, such as that of an automobile or gasoline-driven generator, a system which provides the sparks which ignite the fuel mixture. An example is a capacitive-discharge ignition. Also called ignition (4).