flashover
noun
flashover is a noun meaning “The near simultaneous ignition of all combustible material in an enclosed area” (English Wiktionary, September 2026). It is spelled F-L-A-S-H-O-V-E-R, and it appears about once in every 13 million words in written English (wordfreq, 2021 data). The plural of flashover is flashovers.
What does flashover mean?
noun
- 1
The near simultaneous ignition of all combustible material in an enclosed area.
- 2
An unintended electric discharge or arc over or around an insulator.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of flashover
- flashovers plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is flashover?
Flashover appears about once in every 13 million words in written English, the 106,501st 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).
Flashover in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| German | Flashover, Raumdurchzündung , Überschlag |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does flashover come from?
Deverbal from flash over.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).