fluorescence
/flʊˈrɛsəns/
noun
- The emission of light by a substance that has absorbed light or other electromagnetic radiation, typically visible as a glow that stops when the source is removed.
- The jellyfish's green fluorescence comes from a special protein in its body.
- Fluorescence is used in laundry detergents to make clothes look whiter in sunlight.
- The rock showed bright fluorescence when placed under a UV lamp.