ultraviolet
adjective
ul·tra·vi·o·let
ˌəl-trə-ˈvī-(ə-)lət 
1
: situated beyond the visible spectrum at its violet end
—used of radiation having a wavelength shorter than wavelengths of visible light and longer than those of X-rays
2
: relating to, producing, or employing ultraviolet radiation
ultraviolet
noun
Examples of ultraviolet in a Sentence
Recent Examples on the Web
Here’s what to look for when buying sunglasses: UV Protection: The most important thing to look for is to make sure your sunglasses provide 100% protection against both UVA and UVB rays, which helps prevent eye damage from ultraviolet light, according to Holmes.
—
Alyssa Hui, Verywell Health, 21 May 2024
Their eyes are made of 6,000 lenses and can see ultraviolet light.
—Kurt Snibbe, Orange County Register, 9 May 2024
See all Example Sentences for ultraviolet 
Alyssa Hui, Verywell Health, 21 May 2024
Their eyes are made of 6,000 lenses and can see ultraviolet light.
—Kurt Snibbe, Orange County Register, 9 May 2024
See all Example Sentences for ultraviolet
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultraviolet.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Ultraviolet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultraviolet. Accessed 29 May. 2024.
Copy CitationKids Definition
ultraviolet
adjective
ul·tra·vi·o·let
ˌəl-trə-ˈvī-ə-lət
1
: located beyond the visible spectrum at its violet end and having a wavelength shorter than those of visible light but longer than those of X-rays
2
: relating to, producing, or using ultraviolet radiation
ultraviolet
noun
Medical Definition
ultraviolet
1 of 2 adjective
ul·tra·vi·o·let
ˌəl-trə-ˈvī-(ə-)lət
1
: situated beyond the visible spectrum at its violet end
—used of radiation having a wavelength shorter than wavelengths of visible light and longer than those of X-rays
2
: relating to, producing, or employing ultraviolet radiation
ultraviolet
2 of 2 noun
: ultraviolet radiation
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