isomère
\i.zɔ.mɛʁ\
The verdict
“isomère” is uncommon French (frequency #78,529 among 142,603 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #78,529
- frequency rank, French
- 142,603
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Molécule organique qui possède la même formule brute qu’une autre molécule, mais qui a une formule semi-développée ou une formule développée différente.
| Property | Value |
|---|---|
| Headword | isomère |
| Language | French |
| Part of speech | Noun |
| IPA | \i.zɔ.mɛʁ\ |
| Letters | 7 |
| Frequency rank | #78,529 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “isomère” sits in French frequency
Rare enough to double-check
isomère is uncommon French at frequency #78,529 among 142,603 “I” headwords, classed as anoun, transcribed \i.zɔ.mɛʁ\. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for isomère, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
This entry's etymology isn't recorded, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is isomère, spelled I-S-O-M-È-R-E.
Definition
- 1Molécule organique qui possède la même formule brute qu’une autre molécule, mais qui a une formule semi-développée ou une formule développée différente.
- 2Noyau maintenu dans un état excité instable de manière anormalement longue.
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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Using “isomère”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is I-S-O-M-È-R-E - every other letter order is a misspelling in standard orthography.
- Say it as \i.zɔ.mɛʁ\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more French words and confusable pairs in the same reference. French words
Other uncommon French words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.