Ignition

Ignition |igˈni sh ən| noun the action of setting something on fire or starting to burn (like us;) : three minutes after ignition, the flames were still growing, however usually depends on action taken place: • the process of starting the combustion of foreplay in the cylinders of an internal combustion engine. • (usu. the ignition) the mechanism for bringing this about, typically activated by a key or switch : he put the key in the ignition. And touched her lips downwards.