Word Study
toluene
CIDE DICTIONARY
toluene, n. [Tolu + benzene.].
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]
OXFORD DICTIONARY
toluene, n. a colourless aromatic liquid hydrocarbon derivative of benzene, orig. obtained from tolu, used in the manufacture of explosives etc. Also called methyl benzene.
Derivative
toluic adj. toluol n.
Etymology
TOLU + -ENE
For further exploring for "toluene" in Webster Dictionary Online