fissionner
French, verb/fi.sjɔ.ne/
fissionner is spelled F-I-S-S-I-O-N-N-E-R (10 letters) and appears about once in every 52 million words in written French, the 229,021st most frequent French word form (wordfreq, 2021 data). Fissionner is a French verb meaning “to fission” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Être l’objet d’une fission nucléaire”.
What does fissionner mean in English?
verb
- 1
to fission
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
verb: 1. Être l’objet d’une fission nucléaire. 2. Provoquer la fission nucléaire de.
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 fissionner
- avoir + past participle infinitive multiword-construction
- fissionnant gerund participle present
- ayant + past participle gerund multiword-construction participle
- fissionné participle past
- fissionne first-person indicative present
- fissionnes indicative present second-person
- fissionnons first-person indicative plural
- fissionnez indicative plural present
- fissionnent indicative plural present
- fissionnais first-person imperfect indicative
- fissionnait imperfect indicative singular
- fissionnions first-person imperfect indicative
- fissionniez imperfect indicative plural
- fissionnaient imperfect indicative plural
- fissionnai first-person historic indicative
- fissionnas historic indicative past
- fissionna historic indicative past
- fissionnâmes first-person historic indicative
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce fissionner?
- /fi.sjɔ.ne/
- \fi.sjɔ.ne\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to fissionner
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is fissionner in French?
fissionner appears about once in every 52 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).