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Meaning of pentane

pen•tane

Pronunciation: (pen'tān), [key]
— n. Chem., Pharm.
  1. a hydrocarbon of the methane series, existing in three liquid isomeric forms.
  2. Also calledthe most important isomer of pentane, a colorless, flammable, water-insoluble, very volatile liquid, CH, obtained from petroleum by distillation: used chiefly as a solvent and in medicine as an anesthetic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.