Kids carry light sticks on Halloween because the phosphorescence helps them to be seen at night.
An example of phosphorescence is the light from a glow stick.
- the condition or property of a substance of giving off a lingering emission of light after exposure to radiant energy, as light or X-rays
- the light thus given off
- a continuing luminescence without noticeable heat, as from phosphorus when it is slowly oxidized
Origin of phosphorescenceFr: see phosphorus and -escence
- Persistent emission of light following exposure to and removal of incident radiation.
- Emission of light without appreciable heat, as from chemiluminescence of phosphorus or bioluminescence of living organisms.
(countable and uncountable, plural phosphorescences)