• synonyms


or OL., O.L.

  1. Old Latin.
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  1. (in prescriptions) oil.
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Origin of Ol.

From the Latin word oleum


or o.l.

  1. (in prescriptions) the left eye.
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Origin of O.L.

From the Latin word oculus laevus


  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


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

Examples from the Web for ol

Historical Examples

  • An' I hopes, ol girl,' says he, 'that you'll be able t' boil the water 'ithout burnin' it.'

    Quaint Courtships


  • They peered over, and from out of the blackness they were hailed by a faint "Ol!"


    Raphael Sabatini

  • Eusebius says that Bacchylides "flourished" (ἤκμαζεν) in Ol.

  • Osc Brewster and Ol Perry, who had been foremost in the trick had a fight as to which had been to blame.

  • I want to stay here on de ol plantation, along 'o my ol woman.

    The White Shield

    Myrtle Reed

British Dictionary definitions for ol


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


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


  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.