[pen-teyn] 
| 1. | a hydrocarbon of the methane series, existing in three liquid isomeric forms. |
| 2. | Also called normal pentane. the most important isomer of pentane, a colorless, flammable, water-insoluble, very volatile liquid, C5H1 2, obtained from petroleum by distillation: used chiefly as a solvent and in medicine as an anesthetic. |
| pentane (pěn'tān') Pronunciation Key
A colorless, flammable hydrocarbon derived from petroleum and used as a solvent. Pentane occurs in three isomers and is the fifth member of the alkane series. Chemical formula: C5H12. |
teɪn