Phosphorescent Definition

adjective

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.

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noun

A phosphorescent substance.

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Other Word Forms of Phosphorescent

Noun

Singular:
phosphorescent
Plural:
phosphorescents

Origin of Phosphorescent

  • From phosphorus + -escent. It's interesting to note that technically phosphorus is not phosphorescent. Phosphorus is luminescent, it gives off light from a chemical reaction, as opposed to re-emission of absorbed energy (phosphorescence). (Reference: John Emsley, The Shocking History of Phosphorus, ISBN 0-330-39005-8.)

    From Wiktionary

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