obsidienne
\ɔp.si.djɛn\
The verdict
“obsidienne” is uncommon French (frequency #61,742 among 75,470 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #61,742
- frequency rank, French
- 75,470
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Roche éruptive à structure vitreuse, sans cristaux, de couleur noire (parfois verte). Elle est très dure.
| Property | Value |
|---|---|
| Headword | obsidienne |
| Language | French |
| Part of speech | Noun |
| IPA | \ɔp.si.djɛn\ |
| Letters | 10 |
| Frequency rank | #61,742 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “obsidienne” sits in French frequency
Rare enough to double-check
obsidienne is uncommon French at frequency #61,742 among 75,470 “O” headwords, classed as anoun, transcribed \ɔp.si.djɛn\. Rarity is why readers land here mid-draft. 2 senses are on record.
No generated misspelling entries exist for obsidienne in our index, suggesting the orthography follows predictable French patterns. No close-neighbour confusable shows up for this headword 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 any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is obsidienne, spelled O-B-S-I-D-I-E-N-N-E.
Definition
- 1Roche éruptive à structure vitreuse, sans cristaux, de couleur noire (parfois verte). Elle est très dure.
- 2Ensemble de variétés de laves (rhyolite, trachyte et andésite) ressemblant au verre, de couleur foncée (rouge, vert, noir…). Les obsidiennes sont des silicates complexes comme le feldspath ; on les appelle parfois agate d’Islande, verre des volcans
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 “obsidienne”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is O-B-S-I-D-I-E-N-N-E - every other letter order is a misspelling in standard orthography.
- Say it as \ɔp.si.djɛn\ (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.