| 单词 | pentane |
| 释义 | pentane[ pen-teyn ] / ˈpɛn teɪn / noun Chemistry, Pharmacology.a hydrocarbon of the methane series, existing in three liquid isomeric forms. Also called normal 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. Origin of pentane1875–80; pent- + -ane Words nearby pentanepentameter, pentamethonium bromide, pentamethylene, pentamethylenediamine, pentamidine, pentane, pentangle, pentangular, pentanoic acid, pentapiperium methylsulfate, pentaploid Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pentanepentane / (ˈpɛnteɪn) / nounan alkane hydrocarbon having three isomers, esp the isomer with a straight chain of carbon atoms (n -pentane) which is a colourless flammable liquid used as a solvent. Formula: C 5 H 12 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for pentanepentane [ pĕn′tān′ ] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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