nitreux
\ni.tʁø\
The verdict
“nitreux” is uncommon French (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency French
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Qualifie les dérivés oxygénés de l’azote au degré d’oxydation +1 ou +3.
Corpus desk
Index FR-nitreux · nitreux · French
nitreux · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "N" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | nitreux |
| Language | French |
| Part of speech | Adjective |
| IPA | \ni.tʁø\ |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « nitreux » en français
Rare enough to double-check
nitreux is uncommon French outside the top frequency list, classed as anadjective, transcribed \ni.tʁø\. Rarity is why readers land here mid-draft. 2 senses are on record.
nitreux has no tracked misspelling variants, a sign its spelling follows regular French conventions. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.
No explicit etymology string is stored for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is nitreux, spelled N-I-T-R-E-U-X.
Definition
- 1Qualifie les dérivés oxygénés de l’azote au degré d’oxydation +1 ou +3.
- 2Qualifie les bactéries (nitrospira, nitrosomonas et nitrosococcus) qui synthétisent des nitrites à partir de l'ammoniaque.
Recorded use
Wiktionary examplesThese source excerpts show how nitreux appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Si l'on plonge la soie dans une solution diluée d'acide nitreux, elle se colore en jaune paille après vingt-quatre heures et peut prendre ensuite des teintes variables ….
Une fumée lourde et nitreuse flottait dans l'air.
Synonyms
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.