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-ol1

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  1. a suffix used in the names of chemical derivatives, representing “alcohol” (glycerol; naphthol; phenol), or sometimes “phenol” or less definitely assignable phenol derivatives (resorcinol).
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Origin of -ol1

short for alcohol or phenol

-ol2

  1. variant of -ole2.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for -ol

-ol1

suffix forming nouns
  1. denoting an organic chemical compound containing a hydroxyl group, esp alcohols and phenolsethanol; quinol
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Word Origin

from alcohol

-ol2

n combining form
  1. (not used systematically) a variant of -ole 1
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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

Word Origin and History for -ol

word-forming element in chemistry, variously representing alcohol, phenol, or in some cases Latin oleum "oil" (see oil (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

-ol in Science

-ol

  1. A suffix used to form the names of chemical compounds having a hydroxyl (OH) group, such as ethanol.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.