Phosphorescence

[fos-fuh-res-uh ns] /ˌfɒs fəˈrɛs əns/

noun
1.
the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.
2.
a luminous appearance resulting from this.
3.
any luminous radiation emitted from a substance after the removal of the exciting agent.
/ˌfɒsfəˈrɛsəns/
noun
1.
(physics)

2.
the light emitted in phosphorescence
3.
the emission of light during a chemical reaction, such as bioluminescence, in which insufficient heat is evolved to cause fluorescence Compare fluorescence
n.

1796, from verb phosphoresce (1794; see phosphorescent) + -ence.

phosphorescence phos·pho·res·cence (fŏs’fə-rěs’əns)
n.

phos’pho·res’cent adj.
phosphorescence
(fŏs’fə-rěs’əns)