noun
fluorescent substance; phosphor
Technical term for a material that emits light when exposed to radiation or other energy sources. Used in contexts like fluorescent lamps, cathode-ray tubes, and LED phosphors.
See also: 蛍光物質
蛍光灯の内側には蛍光体が塗られている。
The inside of a fluorescent lamp is coated with a fluorescent substance.
This phosphor converts ultraviolet light into visible light.
Compound of 蛍光 (fluorescence) + 体 (body, substance). The exact historical derivation is uncertain; the term is a modern technical coinage.