Also found in: Medical, Wikipedia.


 (trī′ôl′, -ōl′, -ŏl′)
A chemical compound containing three hydroxyl groups.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) any of a class of alcohols that have three hydroxyl groups per molecule. Also called: trihydric alcohol
[from tri- + -ol1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtraɪ ɔl, -ɒl)

a chemical compound having three hydroxyl groups.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Triethanolamine is a member of ethanolamine family and can be termed as a tertiary amine as well as a triol.
schmittii also contained the diol and the triol forms while S.
Q What inspired the owners, Kim Triol and Petrina DiOrio, to open the store?
First Cluster First digit: 2 = elastomers, sealants, coatings, adhesives Second digit: Nominal functionality 2 = Diol 3 = Triol, etc.
Further condensation of triol 12 with paraformaldehyde resulted in an inseparable mixture of compounds 3,8, and 9, as well as the products of their reaction with paraformaldehyde.
According to the chemical structure, ginsenosides can be divided into ginseng diol saponins, ginseng triol saponins, and oleanolic acid saponins (Figure 3).
In the liver, benzene is converted into its metabolites, namely, phenol, hydroquinone, catechol, and benzene triol [14, 15].
[12] reported the synthesis of various 3 -O-acyl-1,2-O-isopropylidene-D glucofuranose derivatives (1a-c) from triol 4 (Figure 1) and tested their effects in augmenting the proportion of benzidine-positive (hemoglobin-containing) cells in treated K562cell populations.
Foaming agents, including a catalyst, a surfactant and the blowing agent, were added to the blends of (polyether triol)/ (polyether diol) and stirred at 2500 rpm for 20 s.