PENTANE
- the most important isomer of pentane, a colorless, flammable, water-insoluble, very volatile liquid, C5H12, obtained from petroleum by distillation: used chiefly as a solvent and in medicine as an anesthetic
- hydrocarbon of the methane series, existing in three liquid isomeric forms
- any of three isomeric alkanes C5H12 that occur especially in petroleum