(1) Emission of light following absorption of radiation. Emitted light is of longer wavelength than the exciting radiation and is a result of decay of electrons from the triplet to the ground state. Lasts longer than fluorescence (electron decay from singlet to ground state) and occurs after a longer delay.
(2) Popularly misused as a term for biological luminescence, eg. by fireflies.

Dictionary of molecular biology. 2004.

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  • phosphorescence — [ fɔsfɔresɑ̃s ] n. f. • 1784; de phosphore 1 ♦ Cour. Luminescence du phosphore (⇒ chimioluminescence). 2 ♦ (1861) Phys. Propriété qu ont certains corps d émettre, sous l excitation de radiations (visibles ou non) et sans dégagement sensible de… …   Encyclopédie Universelle

  • Phosphorescence — Phos phor*es cence, n. [Cf. F. phosphorescence.] 1. The quality or state of being phosphorescent; or the act of phosphorescing. [1913 Webster] 2. A phosphoric light. [1913 Webster] …   The Collaborative International Dictionary of English

  • phosphorescence — 1796; see PHOSPHORESCENT (Cf. phosphorescent) + ENCE (Cf. ence) …   Etymology dictionary

  • phosphorescence — ► NOUN 1) light emitted by a substance without combustion or perceptible heat. 2) Physics the emission of radiation in a similar manner to fluorescence but continuing after excitation ceases. DERIVATIVES phosphoresce verb phosphorescent adjective …   English terms dictionary

  • phosphorescence — [fäs΄fə res′əns] n. [Fr: see PHOSPHORUS & ESCENCE] 1. a) the condition or property of a substance of giving off a lingering emission of light after exposure to radiant energy, as light or X rays b) the light thus given off 2. a continuing… …   English World dictionary

  • Phosphorescence — On nomme phosphorescence le phénomène observé lorsqu une matière continue à émettre de la lumière après avoir été éclairée. Le terme signifie approximativement illuminer comme le phosphore. Le phosphore blanc donne en effet de la lumière dans le… …   Wikipédia en Français

  • Phosphorescence — As these transitions occur less often in certain materials, absorbed radiation may be re emitted at a lower intensity for up to several hours.The study of phosphorescent materials led to the discovery of radioactivity in 1896. Explanations of the …   Wikipedia

  • phosphorescence — /fos feuh res euhns/, n. 1. the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation. 2. a luminous appearance resulting from this. 3. any… …   Universalium

  • PHOSPHORESCENCE — n. f. T. de Chimie Propriété qu’ont certains corps de dégager de la lumière dans l’obscurité, sans chaleur ni combustion sensible. La phosphorescence du bois pourri, du ver luisant. Il se dit aussi de la Propriété qu’ont quelques corps d’émettre… …   Dictionnaire de l'Academie Francaise, 8eme edition (1935)

  • phosphorescence — (fo sfo rè ssan s ) s. f. 1°   Propriété qu ont certains corps de briller dans l obscurité, sans répandre de chaleur sensible, d un éclat plus ou moins vif, à la manière du phosphore. La phosphorescence des vers luisants.    Phénomène remarquable …   Dictionnaire de la Langue Française d'Émile Littré

  • phosphorescence — fosforescencija statusas T sritis fizika atitikmenys: angl. phosphorescence vok. Phosphoreszenz, f rus. фосфоресценция, f pranc. phosphorescence, f …   Fizikos terminų žodynas

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