- a colorless, pungent, flammable liquid, C6H12, composed of a ring of six methylene groups, derived from crude petroleum by distillation or from benzene by hydrogenation: used chiefly as a solvent and in the manufacture of adipic acid.
- a colourless insoluble flammable liquid cycloalkane with a pungent odour, made by hydrogenation of benzene and used as a paint remover and solvent. Formula: C 6 H 12
