n. [ Toluic + -yl. ] (Chem.) Any one of the three hypothetical radicals corresponding to the three toluic acids. [ 1913 Webster ]

n. (Chem.) (a) Same as Stilbene. (b) Sometimes, but less properly, tolylene. [ 1913 Webster ]

n. [ Toluic + -yl. ] (Chem.) The hydrocarbon radical, CH3.C6H4, regarded as characteristic of certain compounds of the aromatic series related to toluene; as, tolyl carbinol. [ 1913 Webster ]

n. (Chem.) A hydrocarbon radical, C6H4.(CH2)2, regarded as characteristic of certain toluene derivatives. [ 1913 Webster ]