autoignition
noun
autoignition is a noun meaning “Spontaneous combustion” (English Wiktionary, September 2026). It is spelled A-U-T-O-I-G-N-I-T-I-O-N, and it appears about once in every 59 million words in written English (wordfreq, 2021 data). The plural of autoignition is autoignitions.
What does autoignition mean?
noun
- 1
Spontaneous combustion.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of autoignition
- autoignitions plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is autoignition?
Autoignition appears about once in every 59 million words in written English, the 240,237th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does autoignition come from?
From auto- + ignition.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).