[ee-nawl, ee-nol]

noun Chemistry.

an organic compound containing a hydroxyl group attached to a doubly linked carbon atom, as in >C=C(OH)−.

Nearby words

  1. ennuied,
  2. eno,
  3. enoch,
  4. enoch arden,
  5. enoki,
  6. enola,
  7. enola gay,
  8. enolase,
  9. enolate,
  10. enolic

Origin of enol

1935–40; apparently < Greek (h)én one (neuter) + -ol1

Related formse·nol·ic [ee-nol-ik] /iˈnɒl ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for enol



any organic compound containing the group -CH:CO-, often existing in chemical equilibrium with the corresponding keto formSee keto-enol tautomerism
Derived Formsenolic, adjective

Word Origin for enol

C19: from -ene + -ol 1

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

Medicine definitions for enol


nôl′, ēnōl′]


An organic compound containing a hydroxyl group bonded to a carbon atom that in turn forms a double bond with another carbon atom.
Related formse•nolic (ē-nŏlĭk) adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.