n. Chem. 1 the monohydroxyl derivative of benzene used in dilute form as an antiseptic and disinfectant. Also called CARBOLIC. °Chem. formula: C
[ 6 ]
H
[ 5 ]
OH. 2 any hydroxyl derivative of an aromatic hydrocarbon. phenolic adj.
[ F phénole f. phène benzene (formed as PHENO-) ]