Definitions for "UV radiation"
Keywords:  uvb, uva, ultraviolet, invisible, uvc
the region of the electromagnetic spectrum consisting of wavelengths from 1 to 400 nm
Electro-magnetic waves whose wavelengths are less than 400 nanometers. Ultraviolet light is invisible and situated beyond the visible spectrum at its violet end.
Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun, can burn the skin, and cause skin cancer . UV radiation is made up of three types of rays -- ultraviolet A (UVA), ultraviolet B (UVB), and ultraviolet C (UVC). See the entire definition of UV radiation