UVB
noun
: radiation that is in the region of the ultraviolet spectrum which extends from about 280 to 320 nm in wavelength and that is primarily responsible for sunburn, aging of the skin, and the development of skin cancer
Examples of UVB in a Sentence
Recent Examples on the Web
What to Look for in Sunscreens UVA and UVB Protection First and foremost, the best sunscreens offer broad-spectrum coverage (both UVA and UVB).
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Christian Gollayan, menshealth.com, 10 May 2023
Christian Gollayan, menshealth.com, 10 May 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'UVB.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1975, in the meaning defined above
Dictionary Entries Near UVB
Cite this Entry
“UVB.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/UVB. Accessed 6 Dec. 2023.
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Medical Definition
UVB
noun
: radiation that is in the region of the ultraviolet spectrum which extends from about 280 to 320 nm in wavelength and that is primarily responsible for sunburn, aging of the skin, and the development of skin cancer
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