The ignition switch in an automobile.
The definition of an ignition is a system or device that sets something on fire.
An example of an ignition is what turns your car's engine on when you turn the key.
- a setting on fire or catching on fire
- the means by which a thing is ignited
- in an internal-combustion engine,
- the igniting of the explosive mixture in the cylinder
- the system for doing this; often, specif., its key-operated switch
- Chem. the heating of a compound or mixture to the point of complete combustion, complete chemical change, or complete removal of volatile material
Origin of ignitionModern Latin (Paracelsus) ignitio from Classical Latin ignitus: see ignite
designating certain parts of an engine causing ignition
- The act or process of igniting something: the ignition of the fuel in a piston.
- a. An electrical system, typically powered by a battery or magneto, that provides the spark to ignite the fuel mixture in an internal-combustion engine.b. A switch that activates this system.
From French ignition