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⇱ -ol - WordReference.com Dictionary of English


WordReference Random House Unabridged Dictionary of American English © 2026
-ol1 ,
  1. Chemistrya suffix used in the names of chemical derivatives, representing "alcohol'' (glycerol;
    naphthol;
    phenol    ), or sometimes "phenol'' or less definitely assignable phenol derivatives (resorcinol).
  • short for alcohol or phenol

-ol2 ,
  1. var. of -ole 2.

OL, 
  1. Language VarietiesOld Latin.
Also, OL. 
Ol., 
  1. (in prescriptions) oil.
  • Latin oleum

O.L., 
    1. DrugsAlso, o.l. (in prescriptions) the left eye.
    2. Language VarietiesOld Latin.

Collins Concise English Dictionary © HarperCollins Publishers::
-ol suffix forming nouns
  1. denoting an organic chemical compound containing a hydroxyl group, esp alcohols and phenols: ethanol, quinol
Etymology: from alcohol
-ol n combining form
  1. (not used systematically)
    a variant of -ole1
Collins Concise English Dictionary © HarperCollins Publishers::
-ole, -ol n combining form
  1. denoting an organic unsaturated compound containing a 5-membered ring: thiazole
  2. denoting an aromatic organic ether: anisole
Etymology: from Latin oleum oil, from Greek elaion, from elaia olive
-ole suffix
  1. indicating something small: arteriole
Etymology: from Latin -olus, diminutive suffix
'-ol' also found in these entries (note: many are not synonyms or translations):

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