1. substances that emit light when exposed to radiation or electrical energy
Usage: technical; plural of phosphor

Examples

• The television screen contains phosphors that glow when struck by electrons.
• Different phosphors produce different colors of light in fluorescent bulbs.
• LED manufacturers use various phosphors to create white light.
• The coating inside the tube contains phosphors that convert UV light to visible light.
• Scientists are developing new phosphors for more efficient lighting systems.
• X-ray screens use phosphors to convert radiation into visible images.