Phosphor

/ˈfɒsfər/

Synonyms

  • glow-in-the-dark substance
  • luminescent material
  • phosphorescent material

Slang Meanings

Glow-in-the-dark stuff
Those phosphors make this paint glow-in-the-dark, which is super cool.
Light-emitting compound
This gadget uses a new type of phosphor that makes it really vibrant.