D defs.my
Entry 1 sense Webster, 1913

Toluene

/tôl'-o͞o-ēnˌ/ · Tol·u·ene · IPA /ˈtɑl.ju.in/
01 n. A hydrocarbon, C6H5.CH3, of the aromatic series, homologous with benzene, and obtained as a light mobile colorless liquid, by distilling to…
  1. 1.
    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.(Chem.) Also: methyl benzene, phenyl methane