or OL., O.L.


Old Latin.


(in prescriptions) oil.

Origin of Ol.

From the Latin word oleum


or o.l.

(in prescriptions) the left eye.

Origin of O.L.

From the Latin word oculus laevus



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

Origin of -ol

short for alcohol or phenol



variant of -ole2.
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Examples from the Web for ol

Historical Examples of ol

British Dictionary definitions for ol



suffix forming nouns

denoting an organic chemical compound containing a hydroxyl group, esp alcohols and phenolsethanol; quinol

Word Origin for -ol

from alcohol



n combining form

(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

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.)).

Online Etymology Dictionary, © 2010 Douglas Harper

ol in Science


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