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phosphorescence

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Phosphorescence \Phos'phor*es"cence\, noun [Cf. F. phosphorescence.]

1. The quality or state of being phosphorescent.

2. The process of phosphorescing, especially that of emitting light after a source of excitation has been removed. This contrasts with the process of {fluorescence}, in which a substance emits light of a lower wavelength than the illuminating light, only while the illumination continues. [PJC]

3. Light emitted by the process of phosphorescence.

From WordNet (r) 3.0 (2006) [wn]:

phosphorescence

noun

1: a fluorescence that persists after the bombarding radiation has ceased


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