fluorescence

1. n. 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. Source: opted

2. n. light emitted during absorption of radiation of some other (invisible) wavelength Source: wordnet

3. 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. Source: webster

4. That property which some transparent bodies have of producingat their surface, or within their substance, light different in colorfrom the mass of the material, as when green crystals of fluor sparafford blue reflections. It is due not to the difference in the colorof a distinct surface layer, but to the power which the substance hasof modifying the light incident upon it. The light emitted byfluorescent substances is in general of lower refrangibility than theincident light. Stockes. Source: adambom

5. n:100 n. light emitted during absorption of radiation of some other (invisible) wavelength Source: ecdict

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