|a. a fluorescence that persists after the bombarding radiation producing it has stopped|
|b. a fluorescence for which the average lifetime of the excited atoms is greater than 10--8 seconds|
|2.||the light emitted in phosphorescence|
|3.||Compare fluorescence the emission of light during a chemical reaction, such as bioluminescence, in which insufficient heat is evolved to cause fluorescence|
phosphorescence phos·pho·res·cence (fŏs'fə-rěs'əns)
Persistent emission of light following exposure to and removal of incident radiation.
Emission of light without burning or by very slow burning without appreciable heat, as from the slow oxidation of phosphorous.
|phosphorescence (fŏs'fə-rěs'əns) Pronunciation Key