ultraviolet
//ˌʌl.trə.ˈvaɪ.ə.lɪt//
Adjective
ultravioletCanonical form
1
Relating to or denoting electromagnetic radiation with a wavelength shorter than that of visible violet light but longer than X-rays, typically in the range 10 nm to 400 nm.
Ultraviolet rays from the sun can damage your skin.
2
Describing light, lamps, or treatments that emit or use ultraviolet radiation.
The dermatologist recommended ultraviolet light therapy for my skin condition.
Noun
1
Ultraviolet radiation or light.
Ultraviolet can damage your skin if you stay in the sun too long.