ultraviolet
/ˌʌltɹəˈvaɪələt/
ultraviolet adjective: of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 to 10 nanometres.
Adjective
ultraviolet (comparative more ultraviolet, superlative most ultraviolet)
- Of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 to 10 nanometres.
- Micron said in a statement that it would bring extreme ultraviolet (EUV) technology to Japan, becoming the first semiconductor company to do so, and expected to invest up to 500 billion yen ($3.6 billion) with support from the Japanese government.2023 May 18, Reuters, “Chipmakers look to Japan as worries about China grow”, in CNN Business
- Relating to very high energies or very small distances or time spans.
- A one-loop Feynman graph that represents a virtual process. In the limit in which the virtual process involves short distances or high momenta, one may find an ultraviolet divergence in the corresponding amplitude.2004, Barton Zwiebach, A First Course in String Theory, →ISBN, Figure 23.1, page 519
- Some have advocated the search for a new theory of quantum gravity, a theory which does not suffer from ultraviolet infinity problems.2009, Herbert W. Hamber, Quantum Gravitation: The Feynman Path Integral Approach, →ISBN, page vii
- Antonyms:
- infrared
Noun
ultraviolet (countable and uncountable, plural ultraviolets)
- Ultraviolet colour.
ultraviolet meaning in Hindi, Urdu, Bengali and Kannada
ultraviolet in Hindi
- radiation with wavelengths from 380 to 10 nanometres
- पराबैंगनी parābaiṅgnī, अतिनील atinīl
- colour
- पराबैंगनी parābaiṅgnī
ultraviolet in Urdu
- بالائے بنفشی
ultraviolet in Bengali
- অত্যন্ত উচ্চ শক্তি, অতি ক্ষুদ্র দূরত্ব, অতিবেগুনি রং
ultraviolet in Kannada
- ಕಾಣ್ಕೆಮೀರಿದ, ಹಿರಿನೇರಳೆಯ
More languagesFewer languages
- ultraviolet in Malay
- ultraungu
- ultraviolet in Persian
- فرابنفش farâbanafš
- ultraviolet in Vietnamese
- cực tím, tử ngoại
Examples of ultraviolet in a sentence
- Plano lenses may be used to protect the eyes from ultraviolet light.
- Aphakic people are reported to be able to see ultraviolet wavelengths that are normally excluded by the lens.
- We trialled a new ultraviolet system that runs under the handrail of an escalator, killing the virus.
Antonyms of ultraviolet
Forms of ultraviolet
| Adjective | |
|---|---|
| comparative | more ultraviolet |
| superlative | most ultraviolet |
| Noun | |
| plural | ultraviolets |
Origin of ultraviolet
From ultra- (“beyond”) + violet (“violet”).
Words formed from ultraviolet
Phrases with ultraviolet
Questions about ultraviolet
- What does ultraviolet mean?
- Ultraviolet means of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 to 10 nanometres.
- What is ultraviolet in Hindi?
- Ultraviolet in Hindi is पराबैंगनी (parābaiṅgnī), अतिनील (atinīl). See Ultraviolet meaning in Hindi.
- What part of speech is ultraviolet?
- Ultraviolet can be an adjective or a noun.
- How do you pronounce ultraviolet?
- Ultraviolet is pronounced /ˌʌltɹəˈvaɪələt/ (UK).
Words near ultraviolet in the dictionary
Source and license
Adapted from Wiktionary: ultraviolet (page history and authors); ultraviolet (Urdu Wiktionary) (page history and authors); ultraviolet (Bengali Wiktionary) (page history and authors); ultraviolet (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-ultraviolet.wav.
Cite this entry: “ultraviolet.” Word.ws, https://word.ws/ultraviolet. Based on Wiktionary, CC BY-SA 4.0.