luminance
\ly.mi.nɑ̃s\
The verdict
“luminance” is uncommon French (frequency #87,819 among 2,567 “L” headwords), classed as a noun. The kind of spelling people second-guess.
- #87,819
- frequency rank, French
- 2,567
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Intensité lumineuse d’une source donnée par unité de surface apparente de cette source pour l’observateur. Unité SI : candela par mètre carré (cd/m²).
Corpus desk
Index FR-luminance · luminance · French
luminance · rank #87,819 · 0 variants · 0 confusables
- FREQ-RARE #87,819
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,567
- PHOTO-FINISH ludus
Nearest frequency peer: ludus (-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 « luminance »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- LPs
LPs
12,186 corpus weight
- Ludmila
Ludmila
12,184 corpus weight
- ludus
ludus
12,183 corpus weight
- luminance
luminance
12,182 corpus weight
- Magnard
Magnard
12,180 corpus weight
- mahométans
mahométans
12,178 corpus weight
What this shows Vue de longue queue: où « luminance » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | luminance |
| Language | French |
| Part of speech | Noun |
| IPA | \ly.mi.nɑ̃s\ |
| Letters | 9 |
| Frequency rank | #87,819 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « luminance » en français
Rare enough to double-check
luminance is uncommon French at frequency #87,819 among 2,567 “L” headwords, classed as anoun, transcribed \ly.mi.nɑ̃s\. Rarity is why readers land here mid-draft. Gloss: "Intensité lumineuse d’une source donnée par unité de surface apparente de cette source pour l’observateur. Unité SI : candela par mètre carré (cd/m²).".
The misspelling generator found no plausible variants for luminance, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.
No documented word history exists for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is luminance, spelled L-U-M-I-N-A-N-C-E.
Definition
- 1Intensité lumineuse d’une source donnée par unité de surface apparente de cette source pour l’observateur. Unité SI : candela par mètre carré (cd/m²).
Recorded use
Wiktionary exampleThese source excerpts show how luminance appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Supposons un radiomètre observant un corps plan lambertien isotherme et considérons que θ et θ’ sont dans le même plan. L est la luminance intégrée dans la bande spectrale du radiomètre.
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 "luminance", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 9 letters (nearest by frequency rank).