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\ ˌyü-(ˌ)vē-ˈā 
\
\Definition of UVA
: 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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More Definitions for UVA
UVA
noun\ -ˈā \
\Medical Definition of UVA
: 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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The first known use of UVA was in 1975
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