[glahy-kawl, -kol]
  1. Also called ethylene glycol, ethylene alcohol. a colorless, sweet liquid, C2H6O2, used chiefly as an automobile antifreeze and as a solvent.
  2. Also called diol. any of a group of alcohols containing two hydroxyl groups.

Origin of glycol

First recorded in 1855–60; glyc(erin) + (alcoh)ol Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for glycol

Historical Examples of glycol

British Dictionary definitions for glycol


  1. another name (not in technical usage) for ethanediol, diol
Derived Formsglycolic or glycollic (ɡlaɪˈkɒlɪk), adjective
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

glycol in Medicine


[glīkôl′, -kōl′]
  1. Any of various alcohols containing two hydroxyl groups.
  2. Ethylene glycol.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

glycol in Science


[glīkôl′, -kōl′]
  1. See ethylene glycol.
  2. Any of various alcohols containing two hydroxyl groups (OH).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.