noun Date: 1978 radiation that is in the region of the ultraviolet spectrum which extends from about 200 to 280 nm in wavelength and that is more hazardous than UVB but is mostly absorbed by earth's upper atmosphere
UVC
Meaning of UVC in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012