To*lu"ic (?), a. (Chem.) Pertaining to, or designating, one of three metameric acids, CH₃.C₆H₄.CO₂H, which are related to toluene and analogous to benzoic acids. They are white crystalline substances, and are called respectively orthotoluic acid, metatoluic acid, and paratoluic acid.

To*lu"ic (?), a. (Chem.) Pertaining to, or designating, one of three metameric acids, CH₃.C₆H₄.CO₂H, which are related to toluene and analogous to benzoic acids. They are white crystalline substances, and are called respectively orthotoluic acid, metatoluic acid, and paratoluic acid.