ultraviolet light

noun

The verdict

“ultraviolet light” is outside the top-ranked French vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency French
17
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) — Ultraviolet (rayonnement).

Key facts for ultraviolet light
PropertyValue
Headwordultraviolet light
LanguageFrench
Part of speechNoun
Letters17
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ultraviolet light” sits in French frequency

ultraviolet light falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The French entry for ultraviolet light is 17 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for ultraviolet light in our index, suggesting the orthography follows predictable French patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. For readers arriving here from a spelling check, the authoritative guidance is: the correct French form is ultraviolet light, spelled U-L-T-R-A-V-I-O-L-E-T- -L-I-G-H-T, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Ultraviolet (rayonnement).
  2. 2
    Ampoule ou tube fluorescent à ultraviolets.

Synonyms

ultravioletUVultraviolet radiationUV radiationblack lightWood’s light

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.

Cite this page

Free to reuse with attribution (CC BY-SA). Copy the citation:

PlainSpell, “ultraviolet light, French word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/fr/mot/ultraviolet-light

Frequently Asked Questions

How do you spell "ultraviolet light"?
"ultraviolet light" is spelled U-L-T-R-A-V-I-O-L-E-T- -L-I-G-H-T.
What does "ultraviolet light" mean?
As a noun, "ultraviolet light" means: Ultraviolet (rayonnement).
What language does "ultraviolet light" come from?
"ultraviolet light" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “ultraviolet light”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is U-L-T-R-A-V-I-O-L-E-T- -L-I-G-H-T - every other letter order is a misspelling in standard orthography.
  • Browse more French words and confusable pairs in the same reference. French words

Nearby French words

Other entries that begin with the letter U in our French index:

Explore PlainSpell

Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list