WordReference Random House Unabridged Dictionary of American English © 2026
igni′tion sys′tem,
- Automotivethe 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.
- 1900–05
'ignition system' also found in these entries (note: many are not synonyms or translations):