Source : Webster's Revised Unabridged Dictionary (1913)

Oxybenzene \Ox`y*ben"zene\, n. [Oxy
   (b) + benzene.] (Chem.) Hydroxy benzene. Same as {Phenol}.

Source : WordNet®

oxybenzene
     n : a toxic white soluble crystalline acidic derivative of
         benzene; used in manufacturing and as a disinfectant and
         antiseptic; poisonous if taken internally [syn: {carbolic
         acid}, {phenol}, {hydroxybenzene}, {phenylic acid}]