What does phosphorescence mean?

Definitions for phosphorescence
ˌfɒs fəˈrɛs ənsphos·pho·res·cence

Here are all the possible meanings and translations of the word phosphorescence.

Princeton's WordNet

  1. phosphorescencenoun

    a fluorescence that persists after the bombarding radiation has ceased

GCIDE

  1. Phosphorescencenoun

    The process of phosphorescing, especially that of emitting light after a source of excitation has been removed. This contrasts with the process of fluorescence, in which a substance emits light of a lower wavelength than the illuminating light, only while the illumination continues.

    Etymology: [Cf. F. phosphorescence.]

Wiktionary

  1. phosphorescencenoun

    The emission of light without any perceptible heat; the quality of being phosphorescent.

    Etymology: From phosphorescent

Webster Dictionary

  1. Phosphorescencenoun

    the quality or state of being phosphorescent; or the act of phosphorescing

    Etymology: [Cf. F. phosphorescence.]

  2. Phosphorescencenoun

    a phosphoric light

    Etymology: [Cf. F. phosphorescence.]

Freebase

  1. Phosphorescence

    Phosphorescence is a specific type of photoluminescence related to fluorescence. Unlike fluorescence, a phosphorescent material does not immediately re-emit the radiation it absorbs. The slower time scales of the re-emission are associated with "forbidden" energy state transitions in quantum mechanics. As these transitions occur very slowly in certain materials, absorbed radiation may be re-emitted at a lower intensity for up to several hours after the original excitation. Commonly seen examples of phosphorescent materials are the glow-in-the-dark toys, paint, and clock dials that glow for some time after being charged with a bright light such as in any normal reading or room light. Typically the glowing then slowly fades out within minutes in a dark room. The study of phosphorescent materials led to the discovery of radioactivity in 1896. Ironically, white phosphorus, from which phosphorescence takes it name, does not actually exhibit this property, but rather, chemiluminescence.

The Standard Electrical Dictionary

  1. Phosphorescence

    The emission of light rays by a substance not heated, but whose luminosity is due to the persistence of luminous vibration after light has fallen upon it. A phosphorescent body, after exposure to light, is luminous itself. Phosphorescence may be induced by rubbing or friction, by heat, by molecular bombardment, as in Crookes' tubes, and by static discharge of electricity, as well as by simple exposure to light. Another form of phosphorescence may be due to slow chemical combustion. This is the cause of the luminosity of phosphorous.

Editors Contribution

  1. Phosphorescence

    Is a process in which energy absorbed by a form of matter is released in the form of light.

    Phosphorescence in some cases is the mechanism of glow-in-the-dark materials and some types of luminescent paint.

    Submitted by MaryC on November 20, 2015  

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Numerology

  1. Chaldean Numerology

    The numerical value of phosphorescence in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of phosphorescence in Pythagorean Numerology is: 7

Examples of phosphorescence in a Sentence

  1. Haniel Long:

    In youth the human body drew me and was the object of my secret and natural dreams. But body after body has taken away from me that sensual phosphorescence which my youth delighted in. Within me is no disturbing interplay now, but only the steady currents of adaptation and of sympathy.

Images & Illustrations of phosphorescence

  1. phosphorescence

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Translations for phosphorescence

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