(in an automotive ignition system) a transformer consisting of two wire windings or coils in which low-voltage direct current is fed through the primary winding to generate high-voltage spark pulses in the secondary winding.
an induction coil that supplies the high voltage to the sparking plugs of an internal-combustion engine
- Ignition key
noun 1. the key used in a motor vehicle to turn the switch that connects the battery to the ignition system and other electrical devices
noun, Chemistry. 1. . ignition point (ĭg-nĭsh’ən) The minimum temperature at which a substance will continue to burn on its own without the application of additional external heat.
noun 1. the system in an internal-combustion engine that produces the spark to ignite the mixture of fuel and air: includes the battery, ignition coil, distributor, spark plugs, and associated switches and wiring.
[ig-nahy-tron, ig-ni-tron] /ɪgˈnaɪ trɒn, ˈɪg nɪ trɒn/ noun, Electronics. 1. a cathode-arc vacuum tube with an auxiliary electrode projecting into a pool of mercury: it conducts current when the anode is positive. /ɪɡˈnaɪtrɒn; ˈɪɡnɪˌtrɒn/ noun 1. a mercury-arc rectifier controlled by a subsidiary electrode, the igniter, partially immersed in a mercury cathode. A current passed […]