Webster's Revised Unabridged Dictionary · 1913

Toluic

Toluic , adjective

(Chemistry) 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.