Source : Webster's Revised Unabridged Dictionary (1913)

Fluor \Flu"or\, n. [L., a flowing, fr. fluere to flow. See
   {Fluent}.]
   1. A fluid state. [Obs.] --Sir I. Newton.

   2. Menstrual flux; catamenia; menses. [Obs.]

   3. (Min.) See {Fluorite}.

Source : WordNet®

fluor
     n : a soft mineral (calcium fluoride) that is fluorescent in
         ultraviolet light; chief source of fluorine [syn: {fluorite},
          {fluorspar}]