phosphorescent
Meanings
adj
- Having the property of emitting light for a period of time after the source of excitation is taken away, e.g., in electrostatic storage tubes and cathode-ray tubes.
noun
- A phosphorescent substance.
Pronunciation
Word forms
Etymology
From phosphorus + -escent. It's interesting to note that phosphorus is not phosphorescent. Some phosphoric mixtures can be luminescent through chemical reactions, but none exhibit literal phosphorescence.
Related words
Derived words
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