'Toluene' definitions:

Definition of 'toluene'

From: WordNet
noun
A colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels [syn: toluene, methylbenzene]

Definition of 'Toluene'

From: GCIDE
  • Toluene \Tol"u*ene\, n. [Tolu + benzene.] (Chem.) A hydrocarbon, C6H5.CH3, of the aromatic series, homologous with benzene, and obtained as a light mobile colorless liquid, by distilling tolu balsam, coal tar, etc.; -- called also methyl benzene, phenyl methane, etc. [1913 Webster]