mégatonne
French, noun\me.ɡa.tɔn\
mégatonne is spelled M-É-G-A-T-O-N-N-E (9 letters) and appears about once in every 50 million words in written French, the 223,977th most frequent French word form (wordfreq, 2021 data). Mégatonne is a French feminine noun meaning “megaton (all senses)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Unité de mesure de masse en dehors du Système international (mais dont l’usage est accepté avec le SI)…”.
What does mégatonne mean in English?
noun
- 1
femininemegaton (all senses)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Unité de mesure de masse en dehors du Système international (mais dont l’usage est accepté avec le SI), valant 10⁶ tonnes, et dont le symbole est Mt. 2. Unité de mesure d’énergie explosive, équivalant à un million de tonnes de TNT. Son symbole est Mt ou MtTNT.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of mégatonne
- mégatonnes plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce mégatonne?
- \me.ɡa.tɔn\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to mégatonne
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is mégatonne in French?
mégatonne appears about once in every 50 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).