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BNC: 44502 COCA: 0
: 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

Word History

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of UVB was in 1975

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