phosphorescence


phos·pho·res·cence

noun \-ˈres-ən(t)s\

Definition of PHOSPHORESCENCE

1
: luminescence that is caused by the absorption of radiation at one wavelength followed by delayed reradiation at a different wavelength and that continues for a noticeable time after the incident radiation stops
2
: an enduring luminescence without sensible heat

Seen & Heard

What made you want to look up phosphorescence? Please tell us where you read or heard it (including the quote, if possible).