# ignition

> English word · Noun · IPA /ɪɡˈnɪʃən/ · frequency rank #11,557

## Definitions
1. The act of igniting.
2. The initiation of combustion.
3. A system for activating combustion in a combustion engine.
4. Receptacle for a key used to start the engine in a vehicle.
5. The phenomenon of a thermonuclear fusion reaction becoming self-sustaining and no longer requiring external heating.

## Etymology
From French ignition.

## Common misspellings (12)
`ginition`, `iggnition`, `igintion`, `igniiton`, `ignision`, `ignitino`, `ignitionn`, `ignitoin`, `ignittion`, `ignnition`, `igntiion`, `ingition`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ignition