You searched for: “photoluminescence
photoluminescence (s) (noun), photoluminescences (pl)
The emission of luminous energy from a substance as a result of the absorption of electromagnetic radiation: The frequency of the photoluminescence that is emitted is lower than that which is absorbed.

In the early evening, the sea snakes appeared to glisten in the dark as a result of the photoluminescence caused by the sun.

This entry is located in the following units: -esce, -escent, -escence (page 7) lumen-, lumin-, lum- (page 4) photo-, phot-, -photic (page 10)