- any of four isomeric acids having the formula CH3C6H4COOH: derivatives of toluene.
Origin of toluic acid
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a white crystalline derivative of toluene existing in three isomeric forms; methylbenzoic acid. The ortho- and para- isomers are used in synthetic resins and the meta- isomer is used as an insect repellent. Formula: C 6 H 4 CH 3 COOH
C19: from tolu (ene) + -ic