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A Writer's Dictionary:

phosphorescence Definition


Dictionary Home » Words Starting with P » Phillips screw ... phosphorescing » phosphorescence


phosphorescence
noun
    1. The emission of light from a substance after it has absorbed energy from a source such as ultraviolet radiation, and which continues for some time after the energy source has been removed.
    2. A general term for the emission of light by a substance in the absence of a significant rise in temperature.
Derivative: phosphorescent
adj
    Etymology: 18c.



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