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  1. Dictionary
    phosphorescence
    /ˌfɒsfəˈrɛsns/

    noun

    • 1. light emitted by a substance without combustion or perceptible heat: "the stones overhead gleamed with phosphorescence"

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  3. Apr 14, 2020 · Phosphorescence is light released by matter after exposure to electromagnetic radiation, usually ultraviolet light. Learn how phosphorescence works, its history, materials, and examples of phosphorescent objects.

  4. Phosphorescence is a type of photoluminescence related to fluorescence, but with longer emission times. Learn about the two mechanisms of phosphorescence (triplet and persistent), the history of the term, and everyday examples of phosphorescent materials.

  5. May 10, 2022 · Phosphorescence is a radiative transition process in which light is emitted from T1 (excited triplet state) to So (ground singlet state) with a change in spin multiplicity. When certain substances are exposed to light, they emit light for a period of time after the light source is cut off.

  6. Phosphorescence is a type of luminescence that occurs when a substance absorbs radiation and emits light for a while after the radiation stops. Learn more about the word history, examples, and related terms of phosphorescence from Merriam-Webster dictionary.

  7. Jan 11, 2020 · Phosphorescence is luminescence that occurs when energy is supplied by electromagnetic radiation, usually ultraviolet light. Learn how phosphorescence differs from fluorescence, the history and sources of phosphorescent materials, and some common examples of phosphorescence.

    • Anne Marie Helmenstine, Ph.D.
  8. PHOSPHORESCENCE definition: 1. a weak light that is produced by an object when it absorbs light from something, and that it…. Learn more.

  9. Phosphorescence is the emission of light from a substance after it has been exposed to radiation and the radiation has been removed. It differs from fluorescence in that it involves a metastable level or electron trap that slows down the transition of electrons to the ground state.