vitesse de la lumière
\vi.tɛs də la ly.mjɛʁ\
The verdict
“vitesse de la lumière” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency French
- 21
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Vitesse de la lumière dans le vide, une constante physique fixée à 299,792,458 m/s par la définition du mètre. Le symbole est c.
Corpus desk
Index FR-vitesse-de-la-lumiere · vitesse de la lumière · French
vitesse de la lumière · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 21 letters
- VOW-9 9 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "V" 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 | vitesse de la lumière |
| Language | French |
| Part of speech | Noun |
| IPA | \vi.tɛs də la ly.mjɛʁ\ |
| Letters | 21 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « vitesse de la lumière » en français
Rare enough to double-check
vitesse de la lumière is uncommon French outside the top frequency list, classed as anoun, transcribed \vi.tɛs də la ly.mjɛʁ\. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for vitesse de la lumière, suggesting the orthography follows predictable French patterns. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is vitesse de la lumière, spelled V-I-T-E-S-S-E- -D-E- -L-A- -L-U-M-I-È-R-E.
Definition
- 1Vitesse de la lumière dans le vide, une constante physique fixée à 299,792,458 m/s par la définition du mètre. Le symbole est c.
- 2Vitesse de la lumière dans une substance, qui est inférieure à celle dans le vide.
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). See the methodology for how each field is sourced and updated.