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OL

1 American  
Or OL.,

abbreviation

  1. Old Latin.

-ol 2 American  

  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 ).

-ol 3 American  

  1. variant of -ole.

Ol. 4 American  

abbreviation

  1. (in prescriptions) oil.

O.L. 5 American  
Or o.l.

abbreviation

  1. (in prescriptions) the left eye.

-ol 1 British  

suffix

  1. denoting an organic chemical compound containing a hydroxyl group, esp alcohols and phenols

    ethanol

    quinol
"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
-ol 2 British  

combining form

  1. (not used systematically) a variant of -ole 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
–ol Scientific  

  1. A suffix used to form the names of chemical compounds having a hydroxyl (OH) group, such as ethanol.

Etymology

Origin of -ol2

Short for alcohol or phenol

Origin of Ol.4

From the Latin word oleum

Origin of O.L.5

From Latin oculus laevus

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.