Noun
(uncountable) Light in the ultraviolet part of the spectrum.
(countable) A light bulb that emits ultraviolet light; a black light.
Source: en.wiktionary.orgAbsorbed ultraviolet light energises the shell of nebulous gas around the central star, causing it to appear as a brightly coloured planetary nebula. Source: Internet
A 2008 study reported that ripe bananas fluoresce when exposed to ultraviolet light. Source: Internet
Also called Concha Nácar, the pearls from these rainbow lipped oysters fluoresce red under ultraviolet light. Source: Internet
An electric discharge in the tube causes the mercury atoms to emit mostly ultraviolet light. Source: Internet
A photographic negative of the desired image is placed in contact with the emulsion and the plate is exposed to ultraviolet light. Source: Internet
Another option for disinfecting might be ultraviolet light, but that hasn't been definitively proven to work for this coronavirus yet, and "can be expensive," Wildes said. Source: Internet