noun
ultraviolet light; UV light
Physics term for ultraviolet radiation; synonymous with 紫外線 (しがいせん), which is more common in everyday contexts.
See also: 紫外線
紫外光は波長が可視光より短い。
Ultraviolet light has a shorter wavelength than visible light.
この装置は紫外光を検出する。
This device detects ultraviolet light.