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Definition of "phosphorescent" [phos•phor•es•cent]

  • 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. (adjective)
  • A phosphorescent substance. (noun)

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Use "phosphorescent" in a sentence
  • "Extract from a letter by Mr. S.C. Patterson, second officer of the P. and O. steamship _Delta_: a spectacle which the _Journal_ continues to call phosphorescent:"
  • "Wherever it is rubbed, in the dark, on a door, or on a wall, it leaves a luminous trail of a very peculiar appearance, which has been called phosphorescent, from the name of the substance which produces it."
  • "Mr. Hoepfner however thinks the dispersion of the diamond by this great heat should be called a phosphorescent evaporation of it, rather than a combustion; and from its other analogies of crystallization, hardness, transparency, and place of its nativity, wishes again to replace it amongst the precious stones."