Source : Webster's Revised Unabridged Dictionary (1913)

Xylol \Xy"lol\, n. [Xylo- + L. oleum oil.] (Chem.)
   Same as {Xylene}.

Source : WordNet®

xylol
     n : a colorless flammable volatile liquid hydrocarbon used as a
         solvent [syn: {xylene}]