PHOSPHORESCENCE Meaning and
Definition
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Phosphorescence is a natural phenomenon characterized by the emission of light or luminous glows after exposure to certain types of radiation. This term is often associated with the afterglow observed in certain materials following the absorption of energy, such as light or other forms of electromagnetic radiation. Unlike fluorescence, which occurs almost instantly as the absorbed energy is released, phosphorescence involves a delay in the emission of light, often lasting for minutes or even hours.
Phosphorescence is typically seen in certain minerals, compounds, or organisms that contain constituents capable of storing absorbed energy and releasing it gradually over an extended period. This luminescent property can be observed in minerals like phosphorus or zinc sulfide, as well as in certain marine organisms such as jellyfish or some deep-sea creatures. The emitted light from phosphorescent materials is usually of lower intensity than fluorescence, creating a gentle and sustained glow.
The phenomenon of phosphorescence finds applications in various areas, including the production of glow-in-the-dark materials, such as paints, toys, and signs. It is also utilized in industries that require materials with low-light visibility, such as aerospace or military equipment. Scientifically, phosphorescence plays a crucial role in fields like spectroscopy, where it aids in the characterization and analysis of materials based on their emission patterns. Moreover, it has captivated humans for centuries, inspiring artistic expression and evoking a sense of awe and wonder.
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The quality or property of emitting light without active combustion or the production of heat.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The state of being luminous without sensible heat.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of PHOSPHORESCENCE
The word "phosphorescence" is derived from the Greek word "phosphoros", which means "light-bringing" or "light-bearing". It is a combination of the Greek words "phos" (meaning "light") and "phoros" (meaning "bringing" or "bearing").
Similar spelling words for PHOSPHORESCENCE
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