UV /ˌjuː ˈviː/ BrE AmE adjective
(ultraviolet) UV light cannot be seen by people, but is responsible for making your skin darker when you are in the sun
UV light/radiation/rays etc
the sun's harmful UV rays
UV /ˌjuː ˈviː/ BrE AmE adjective
(ultraviolet) UV light cannot be seen by people, but is responsible for making your skin darker when you are in the sun
UV light/radiation/rays etc
the sun's harmful UV rays
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012