Definition of ignition
1 : the act or action of igniting: such asa : the starting of a fireb : the heating of a plasma to a temperature high enough to sustain nuclear fusion
2a : the process or means (as an electric spark) of igniting a fuel mixtureb : a device that activates an ignition system (as in an automobile) put the key in the ignition
Examples of ignition in a sentence
There's a problem with the car's ignition.
First Known Use of ignition
IGNITION Defined for English Language Learners
Definition of ignition for English Language Learners
: the electrical system in an engine that causes the fuel to burn so that the engine begins working
: the device that is used to start a car's engine
: the act of causing something to start burning : the act of igniting something
IGNITION Defined for Kids
Definition of ignition for Students
1 : the act of causing something to start burning
2 : the process or means (as an electric spark) of causing the fuel in an engine to burn so that the engine begins working
3 : a device that is used to start a motor vehicle Put the key in the ignition.
Seen and Heard
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