thermonucléaire
\tɛʁ.mo.ny.kle.ɛʁ\
The verdict
“thermonucléaire” is uncommon French (frequency #69,479 among 3,703 “T” headwords), classed as an adjective. The kind of spelling people second-guess.
- #69,479
- frequency rank, French
- 3,703
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Relatif à la fusion de noyaux atomiques à des températures élevées.
Corpus desk
Index FR-thermonucleaire · thermonucléaire · French
thermonucléaire · rank #69,479 · 0 variants · 0 confusables
- FREQ-RARE #69,479
- LEN-MEGA 15 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,703
- PHOTO-FINISH THD
Nearest frequency peer: THD (-1 rank slots)
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Rangs de longue queue près de « thermonucléaire »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- ternit
ternit
30,526 corpus weight
- textuels
textuels
30,525 corpus weight
- THD
THD
30,523 corpus weight
- thermonuclé…
thermonucléaire
30,522 corpus weight
- thy
thy
30,519 corpus weight
- tiédeur
tiédeur
30,517 corpus weight
What this shows Vue de longue queue: où « thermonucléaire » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | thermonucléaire |
| Language | French |
| Part of speech | Adjective |
| IPA | \tɛʁ.mo.ny.kle.ɛʁ\ |
| Letters | 15 |
| Frequency rank | #69,479 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « thermonucléaire » en français
Rare enough to double-check
thermonucléaire is uncommon French at frequency #69,479 among 3,703 “T” headwords, classed as anadjective, transcribed \tɛʁ.mo.ny.kle.ɛʁ\. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for thermonucléaire, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
No documented word history exists for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is thermonucléaire, spelled T-H-E-R-M-O-N-U-C-L-É-A-I-R-E.
Definition
- 1Relatif à la fusion de noyaux atomiques à des températures élevées.
- 2Relatif à l’utilisation des armes atomiques basées sur la fusion nucléaire, en particulier par opposition à celles fondées sur la fission.
Recorded use
Wiktionary examplesThese source excerpts show how thermonucléaire appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
La fusion thermonucléaire ou fusion nucléaire est un processus où deux noyaux atomiques s’assemblent pour former un noyau plus lourd, processus à l’œuvre de manière naturelle dans le soleil et la plupart des étoiles de l’univers ^([1]).
Dans les conditions actuelles, seule la fission des noyaux lourds est mise à contribution, puisque la fusion thermonucléaire de noyaux légers n’est pas encore maîtrisée.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "thermonucléaire", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 15 letters (nearest by frequency rank).