toluene

tol·u·ene

noun \ˈtäl-yə-ˌwēn\

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