UVA

noun
\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

First Known Use of UVA

1975, in the meaning defined above

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Dictionary Entries near UVA

U-tube

U-turn

UV

UVA

uva grass

uvala

U-valley

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Time Traveler for UVA

The first known use of UVA was in 1975

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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

More from Merriam-Webster on UVA

Spanish Central: Translation of UVA

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