ultraviolet
French, noun/yl.tʁa.vjɔ.lɛ/
ultraviolet is spelled U-L-T-R-A-V-I-O-L-E-T (11 letters) and appears about once in every 2 million words in written French, the 51,352nd most frequent French word form (wordfreq, 2021 data). Ultraviolet is a French masculine noun meaning “ultraviolet (light)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Rayonnement électromagnétique dont la longueur d’onde est plus courte que celle de la lumière violette et…”.
What does ultraviolet mean in English?
adjective
- 1
ultraviolet
noun
- 1
masculineultraviolet (light)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
adjective: 1. Dont la longueur d’onde est plus courte que celles de la lumière visible dans le spectre électromagnétique.
noun: 1. Rayonnement électromagnétique dont la longueur d’onde est plus courte que celle de la lumière violette et plus longue que celle des rayons X (domaine dit UV), émis notamment par le Soleil et certaines sources artificielles.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of ultraviolet
- ultraviolette feminine
- ultraviolets masculine plural
- ultraviolettes feminine plural
- ultra-violet
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce ultraviolet?
- /yl.tʁa.vjɔ.lɛ/
- \yl.tʁa.vjɔ.lɛ\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to ultraviolet
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is ultraviolet in French?
ultraviolet appears about once in every 2 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).