phosphorescent.
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.
Meaning & usage
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.
Where this word comes from
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.
A phosphorescent substance.
Where this word comes from
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.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.