Source : Webster's Revised Unabridged Dictionary (1913)

Levulose \Lev"u*lose`\ (l[e^]v"[-u]*l[=o]s`), n. [See {Levo-}.]
   (Chem.)
   A sirupy variety of sugar, rarely obtained crystallized,
   occurring widely in honey, ripe fruits, etc., and hence
   called also {fruit sugar}. It is called levulose, because it
   rotates the plane of polarization to the left. [Written also
   {l[ae]vulose}.]

Source : WordNet®

levulose
     n : a simple sugar found in honey and in many ripe fruits [syn:
         {fructose}, {fruit sugar}, {laevulose}]