noun, noun which may take the genitive case particle 'no'
ultraviolet; UV
Abbreviation of 紫外線 (ultraviolet rays). Used as a noun or adjectivally with の, especially in technical or product contexts.
I bought sunglasses with UV protection.
Light in the ultraviolet range is invisible to the eye.
ultraviolet rays; UV radiation
ultraviolet light; UV light
UV-EPROM; ultraviolet erasable programmable read-only memory
Abbreviation of 紫外線 (しがいせん, 'ultraviolet rays'), itself a compound of 紫 (purple) and 外 (outside), referring to light beyond the violet end of the visible spectrum.