Dictionary

phosphorescence

noun phos·pho·res·cence \-ˈre-sən(t)s\

Definition of PHOSPHORESCENCE

1
:  luminescence that is caused by the absorption of radiations (as light or electrons) and continues for a noticeable time after these radiations have stopped — compare fluorescence
2
:  an enduring luminescence without sensible heat

First Known Use of PHOSPHORESCENCE

1796

phosphorescence

noun phos·pho·res·cence \-ˈres-ən(t)s\   (Medical Dictionary)

Medical 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

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