[sahy-kluh-hek-seyn, sik-luh-]

noun Chemistry.

a colorless, pungent, flammable liquid, C6H12, composed of a ring of six methylene groups, derived from crude petroleum by distillation or from benzene by hydrogenation: used chiefly as a solvent and in the manufacture of adipic acid.

Nearby words

  1. cyclodiathermy,
  2. cyclodiene,
  3. cyclogenesis,
  4. cyclogiro,
  5. cyclograph,
  6. cyclohexanone,
  7. cycloheximide,
  8. cyclohexylamine,
  9. cyclohexylsulfamic acid,
  10. cycloid

Origin of cyclohexane

First recorded in 1920–25; cyclo- + hexane Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cyclohexane



a colourless insoluble flammable liquid cycloalkane with a pungent odour, made by hydrogenation of benzene and used as a paint remover and solvent. Formula: C 6 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

Science definitions for cyclohexane



An extremely flammable, colorless liquid hydrocarbon obtained from petroleum and benzene. It is used to make nylon and as a solvent, paint remover, and varnish remover. Chemical formula: C6H12.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.