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Definition of ignition

ignition

/ɪɡˈnɪʃ.ən/
ig · ni · tion
Plural:ignitions
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ignition Lexical Profile

ignition Game Scores & Validity

• noun

1

The electrical system or mechanical device in an internal combustion engine that ignites the fuel-air mixture to start the engine.

Example

"She inserted the key into the ignition and turned it, bringing the car's engine to life."

2

The action or process of setting something on fire or starting to burn.

Example

"The sudden ignition of the dry brush caused the wildfire to spread rapidly across the hillside."

Synonyms
View all synonyms for ignition
Antonyms
View all antonyms for ignition

• Rhymes for ignition

• Nearby Words

ignitable
ignite
igniter
ignition
ignobly
ignominious
ignorable

Word Origin & Etymology

From Medieval Latin ignitio(n-), from the verb ignire 'to set on fire', which derives from Latin ignis meaning 'fire'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Ignition. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/ignition
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