phosphorescence
Concise Oxford English Dictionary © 2008 Oxford University Press:
phosphorescence/fɒsfəˈresns/
▶noun light emitted by a substance without combustion or perceptible heat.
■ Physics the emission of radiation in a similar manner to fluorescence but continuing after excitation ceases.
– derivatives
phosphoresce verb,
phosphorescent adjective.
phosphoresce verb,
phosphorescent adjective.
'phosphorescence' also found in these Oxford entries:

