蛍けい光こう染せん料りょう

noun

fluorescent dye

Technical term for a dye that emits visible light when exposed to ultraviolet radiation. Used in textiles, security printing, and biological staining.

• この繊せん維いには蛍けい光こう染せん料りょうが使つかわれている。

  Fluorescent dye is used in this textile.