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triol

[trahy-awl, -ol]
noun Chemistry.
  1. a compound having three hydroxyl groups.
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Origin of triol

First recorded in 1935–40; tri- + -ol1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for triol

triol

noun
  1. any of a class of alcohols that have three hydroxyl groups per moleculeAlso called: trihydric alcohol
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Word Origin

from tri- + -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
triol in Science

triol

[trī′ôl′, -ōl′]
  1. An alcohol containing three hydroxyl groups (OH) per molecule.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.