fluorescent substance; phosphor
Technical term used in physics, chemistry, and materials science. Refers to a substance that emits light when exposed to radiation or other excitation. 蛍光体 is a closely related term often used for phosphors in displays and lighting.
See also: 蛍光体
The inside of a fluorescent lamp is coated with a fluorescent substance.
This mineral glows like a phosphor when exposed to ultraviolet light.