- any of three isomeric compounds having the formula C7H8O, usually derived from coal tar and wood tar, and used chiefly as a disinfectant.
- an aromatic compound derived from phenol, existing in three isomeric forms: found in coal tar and creosote and used in making synthetic resins and as an antiseptic and disinfectant; hydroxytoluene. Formula: C 6 H 4 (CH 3)OH
