also: リンこう
phosphorescence
Refers to the emission of light from a substance without noticeable heat, often after exposure to radiation. Common in scientific and technical contexts.
Substances that emit phosphorescence glow faintly in the dark.
Phosphorescent paint is used on the watch dial.
Standard kanji spelling; 燐 is a non-jōyō kanji but common in scientific contexts.
Mixed kanji-katakana spelling, sometimes used when 燐 is unavailable or for clarity.
From 燐 (phosphorus) + 光 (light). The term is a direct calque from Western scientific terminology, where phosphorus is associated with glowing.