UVA
noun
: radiation that is in the region of the ultraviolet spectrum which extends from about 320 to 400 nm in wavelength and that causes tanning and contributes to aging of the skin
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“UVA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/UVA. Accessed 18 Dec. 2024.
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UVA
noun
: radiation that is in the region of the ultraviolet spectrum which is nearest to visible light and extends from about 320 to 400 nm in wavelength and that causes tanning and contributes to aging of the skin
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