"fluorescence" Definition

Definitions for the word "fluorescence" from multiple English dictionaries.

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: The 1913 Webster Unabridged Dictionary, 1913
2. n.
1 light radiation from certain substances. 2 property of absorbing invisible light and emitting visible light. [from *fluorspar, after opalescence]
Source: Oxford English Dictionary, 1884

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Additional Info
This page provides a list of definitions and meanings for "fluorescence" from various historical English dictionaries. By displaying multiple definitions, you can compare and contrast different meanings and nuances of a word, phrase, or slang. You can also see the changes in meaning of "fluorescence" over time by viewing the definitions from different dictionaries published at different times in history. The page also includes other information to help users expand their vocabulary and understand the context of the word.

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