Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A substance that exhibits phosphorescence.
  • noun The phosphorescent coating inside the screen of a cathode-ray tube.

from The Century Dictionary.

  • noun The morning star, or Lucifer; the planet Venus, when it precedes the sun and shines in the morning.
  • noun [lowercase] Phosphorus.

from the GNU version of the Collaborative International Dictionary of English.

  • noun obsolete Phosphorus.
  • noun Poetic The planet Venus, when appearing as the morning star; Lucifer.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry Any of various compounds of transition metals or of rare earths that exhibits phosphorescence.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin Phōsphorus, the morning star; see phosphorus.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Medieval Latin phosphorus.

Examples

  • Some of you (assuming there is a "you" out there in phosphor land) may have read the FIRESTAR 4-book trilogy.

    March 21st, 2008

  • The answer lies in a chemical powder called phosphor, which is sprayed against the inner surface of the glass tube.

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  • And the lamp tube is usually coated with a man made fluorescent powder frequently called a phosphor, but there is no phosphor in the powder coating.

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  • Philips is noting it had to call in the scientists to perfect the remote "phosphor" technology (the magic that makes these units glow in soft white colors) in the new white LEDs inside the Endura bulbs, as well as working to get the optical light-casting performance of the bulbs up to standard.

    Fast Company

  • The glow comes from phosphor which is contained in the paper, which locks in the light after exposure to it, The Daily Telegraph reported.

    Home

  • What's wrong with a material such as phosphor bronze?

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  • "phosphor" bombs on the central UNITA stronghold of Huambo Friday.

    ANC Daily News Briefing

  • "I don't how they can have 'phosphor' in a 'clear' green LED package?

    Gizmag Emerging Technology Magazine

  • "I don't how they can have 'phosphor' in a 'clear' green LED package?

    Gizmag Emerging Technology Magazine

  • "I don't how they can have 'phosphor' in a 'clear' green LED package?

    Gizmag Emerging Technology Magazine

Comments

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  • In stamp collecting, phosphor is printed on stamps to help automated machines process mail; the machine is designed to react to the phosphor under ultraviolet light. The process, called tagging, originated in Great Britain in 1959; many countries now use it.

    August 27, 2008

  • "She was beauteous, she was sinfully fascinating. Eyes like raw silk, arms of amber! Just one glance from her was as seductive as a kiss; and when she called me, her voice darted like a wine-ray right into my soul’s phosphor."

    - Knut Hamsun, 'Hunger'.

    July 25, 2009