n. | 1. | The act of igniting, kindling, or setting on fire. |
2. | The state of being ignited or kindled. |
Noun | 1. | ignition - the process of initiating combustion |
2. | ignition - the mechanism that ignites the fuel in an internal-combustion engine Synonyms: ignition system | |
3. | ignition - the act of setting on fire or catching fire |