toluene

[ tol-yoo-een ]
/ ˈtɒl yuˌin /
|

noun Chemistry.

a colorless, water-insoluble, flammable liquid, C7H8, having a benzenelike odor, obtained chiefly from coal tar and petroleum: used as a solvent in the manufacture of benzoic acid, benzaldehyde, TNT, and other organic compounds.

Origin of toluene

First recorded in 1870–75; tolu + -ene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for toluene

toluene

/ (ˈtɒljʊˌiːn) /

noun

a colourless volatile flammable liquid with an odour resembling that of benzene, obtained from petroleum and coal tar and used as a solvent and in the manufacture of many organic chemicals. Formula: C 6 H 5 CH 3

Word Origin for toluene

C19: from tolu + -ene, since it was previously obtained from tolu
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for toluene

toluene

[ tŏlyōō-ēn′ ]

A clear, toxic, flammable liquid that is used in fuels, explosives, dyes, medicines, and many industrial chemicals. Toluene consists of a methyl group attached to benzene. Also called methylbenzene. Chemical formula: C7H8.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.