self-ig·​nite ˌself-ig-ˈnīt How to pronounce self-ignite (audio)
self-ignited; self-igniting; self-ignites

intransitive verb

: to become ignited without flame or spark (as under high compression)
self-ignition noun

Word History

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of self-ignite was in 1835

Dictionary Entries Near self-ignite

Cite this Entry

“Self-ignite.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2024.

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