Definition of toluene
: a liquid aromatic hydrocarbon C7H8 that resembles benzene but is less volatile, flammable, and toxic and is used especially as a solvent, in organic synthesis, and as an antiknock agent for gasoline
Recent Examples of toluene from the Web
It is contaminated with benzene and toluene, both hazardous materials, said Tim Ratsep, a program administrator for Delaware’s Department of Natural Resources and Environmental Control, which is cleaning the site.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'toluene'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of toluene
French toluène, from tolu balsam from the tropical American tree Myroxylon balsamum, from Spanish tolú, from Santiago de Tolú, Colombia
First Known Use: 1855See Words from the same year
Medical Definition of toluene
: a liquid aromatic hydrocarbon C7H8 that resembles benzene but is less volatile, flammable, and toxic and is used as a solvent, in organic synthesis, and as an antiknock agent for gasoline—called also methylbenzene
Learn More about toluene
Britannica.com: Encyclopedia article about toluene
Seen and Heard
What made you want to look up toluene? Please tell us where you read or heard it (including the quote, if possible).