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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Now 45% off Amazon Neutrogena Sport Face Sunscreen SPF 70+, Oil-Free Facial Sunscreen Lotion with Broad Spectrum UVA/UVB Sun Protection, Sweat-Resistant & Water-Resistant, 2.5 fl.
—
Kelsey Chapman, ABC News, 25 Mar. 2024
What to Look for in Sunscreens UVA and UVB Protection First and foremost, the best sunscreens offer broad-spectrum coverage (both UVA and UVB).
—Christian Gollayan, menshealth.com, 10 May 2023
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Kelsey Chapman, ABC News, 25 Mar. 2024
What to Look for in Sunscreens UVA and UVB Protection First and foremost, the best sunscreens offer broad-spectrum coverage (both UVA and UVB).
—Christian Gollayan, menshealth.com, 10 May 2023
Cite this Entry
“UVB.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/UVB. Accessed 14 Jul. 2025.
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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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