any of three isomeric, colorless hydrocarbons, CH, having the characteristics of benzene and derived from coal tar, wood tar, and petroleum: used as solvents, antiseptics, etc.
See xylene in American Heritage Dictionary 4
(zī-lēnˈ, zīˈlēnˌ) also xy·lol(zīˈlôlˌ, -lōlˌ)
noun
Any of three flammable isomeric hydrocarbons, C6H4(CH3)2, obtained from wood and coal tar.
A mixture of xylene isomers used as a solvent in making lacquers and rubber cement and as an aviation fuel.