蛍けい光こう

noun, noun which may take the genitive case particle 'no'

fluorescence

Refers to the emission of light by a substance that has absorbed light or other electromagnetic radiation. Commonly used in scientific and technical contexts.

• 蛍けい光こう灯とうは蛍けい光こうを利り用ようした照しょう明めい器き具ぐです。

  Fluorescent lamps are lighting fixtures that use fluorescence.

• この鉱こう物ぶつは紫し外がい線せんを当あてると蛍けい光こうを発はっする。

  This mineral emits fluorescence when exposed to ultraviolet light.