ignition ignitible • ignitive · · · Info · Definitions · Synonyms · Characters · · ignition · · Text Latin · · Script 8 · · Length Definitions · · · (noun) the process of initiating combustion or catching fire. · · Noun Definition 1 (noun) the mechanism that ignites the fuel in an internal-combustion engine. Synonyms: ignition system. · · Noun Definition 2 (noun) the act of setting something on fire. Synonyms: firing, lighting, kindling, inflammation. · · Noun Definition 3 Synonyms · · · ignition system · · Synonym 1 firing · · Synonym 2 lighting · · Synonym 3 kindling · · Synonym 4 inflammation · · Synonym 5 Characters · · g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074