Meaning of orthoxylene

or•tho-xy•lene

Pronunciation: (ôr"thō-zī'lēn), [key]
  1. a clear, colorless, poisonous, flammable liquid, CH, the ortho isomer of xylene: used chiefly in the synthesis of phthalic anhydride.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.