• synonyms


[sahy-kluh-pen-teyn, sik-luh-]
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  1. a colorless, water-insoluble liquid, C5H10, obtained from petroleum and used chiefly as a solvent.

Origin of cyclopentane

First recorded in 1955–60; cyclo- + pentane
Also called pentamethylene.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for cyclopentane


  1. a colourless insoluble cycloalkane found in petroleum and used mainly as a solvent. Formula: C 5 H 10
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

cyclopentane in Science


[sī′klə-pĕntān′, sĭk′lə-]
  1. A colorless, flammable, liquid hydrocarbon derived from petroleum and used as a solvent and motor fuel. Chemical formula: C5H10.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.