1. the process of setting something on fire or starting to burn
2. the electrical system in a vehicle that starts the engine
Usage: automotive
3. the act of beginning or initiating something
Usage: figurative

Examples

• The ignition of the campfire took several attempts in the wind.
• She turned the key in the ignition to start the car.
• The faulty ignition system prevented the engine from starting.
• The ignition temperature of paper is about 451 degrees Fahrenheit.
• His speech was the ignition for a nationwide movement.
• The ignition of the rocket boosters was perfectly timed.