UVB

noun \ ˌyü-(ˌ)vē-ˈbē \

Definition of UVB

: 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

First Known Use of uvb

1975

in the meaning defined above

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Medical Dictionary

UVB

noun \ -ˈbē \

medical Definition of UVB

: 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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