What does fluorescent paper mean? A fluorescent surface, substance, or colour has a very bright appearance when light is directed onto it, as if it is actually shining itself. a piece of fluorescent tape. fluorescence uncountable noun. The paper with fluorescent fibres can be used for any document for which protection is desired: diplomas, certificates, stamps, contracts etc.
'Fluorescent' refers to colors that absorb and reflect more light than conventional colors. Because of this, these pigments are brighter, bolder and better. Some people refer to fluorescent color as neon.