obsidienne
\ɔp.si.djɛn\
The verdict
“obsidienne” is uncommon French (frequency #61,742 among 1,642 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #61,742
- frequency rank, French
- 1,642
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Roche éruptive à structure vitreuse, sans cristaux, de couleur noire (parfois verte). Elle est très dure.
Corpus desk
Index FR-obsidienne · obsidienne · French
obsidienne · rank #61,742 · 0 variants · 0 confusables
- FREQ-RARE #61,742
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,642
- PHOTO-FINISH occasionnent
Nearest frequency peer: occasionnent (+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 « obsidienne »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- notariés
notariés
38,262 corpus weight
- nécropoles
nécropoles
38,261 corpus weight
- obsidienne
obsidienne
38,259 corpus weight
- occasionnent
occasionnent
38,258 corpus weight
- octavie
octavie
38,257 corpus weight
- octogonale
octogonale
38,256 corpus weight
What this shows Vue de longue queue: où « obsidienne » se situe face à des rangs français aussi rares.
| 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) |
Longue queue: rang de « obsidienne » en français
Rare enough to double-check
obsidienne is uncommon French at frequency #61,742 among 1,642 “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
Recorded use
Wiktionary examplesThese source excerpts show how obsidienne appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Ce sont elles qui ont lancé jusqu’ici ces pierres ponces, ces obsidiennes, ces innombrables labradorites, […].
La peau d’Onawa, plus chaude qu’une obsidienne en plein soleil, était douce comme du duvet, et sucrée comme du miel.
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 "obsidienne", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 10 letters (nearest by frequency rank).