Meaning of FLUORESCENCE
| Pronunciation: | | `floou'resuns
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 WordNet Dictionary |
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| | Definition: | | [n] light emitted during absorption of radiation of some other (invisible) wavelength |
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| | See Also: | | autofluorescence, light, phosphorescence, visible light, visible radiation | |
| Products Dictionary |
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| | Definition: | | Fluorescence
Description not available. more details ... |
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| Webster's 1913 Dictionary |
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| | Definition: | |
\Flu`o*res"cence\, n. [From {Fluor}.] (Opt.)
That property which some transparent bodies have of producing
at their surface, or within their substance, light different
in color from the mass of the material, as when green
crystals of fluor spar afford blue reflections. It is due not
to the difference in the color of a distinct surface layer,
but to the power which the substance has of modifying the
light incident upon it. The light emitted by fluorescent
substances is in general of lower refrangibility than the
incident light. --Stockes.
\Flu`o*res"cence\, n.
A property possessed by fluor spar, uranium glass, sulphide
of calcium, and many other substances, of glowing without
appreciable rise of temperature when exposed to light or to
ultra-violet rays, cathode rays, X rays, etc.
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| Biology Dictionary |
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| | Definition: | | A term that describes any substance that emits light at a certain wavelength (emission wavelength) when it is illuminated by light of a different wavelength (excitation wavelength). |
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| Thesaurus Terms |
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| | Related Terms: | | autoluminescence, bioluminescence, cathode luminescence, chemicoluminescence, chemiluminescence, corposant, crystalloluminescence, double corposant, electroluminescence, fata morgana, fox fire, ignis fatuus, luciferase, luciferin, luminescence, luminophor, marshfire, noctiluscence, phosphor, phosphorescence, photoluminescence, radioluminescence, thermoluminescence, tribofluorescence, triboluminescence, tribophosphorescence, wisp, witch fire |
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