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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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Marseille followed their exit from the Champions League during the week by squandering a two-goal lead to draw 2-2 at Paris FC on Saturday -- OM and OL are nine points worse off than PSG.

From Barron's • Feb. 1, 2026

Manyweather has now reduced his OL Masterminds summit capacity to 200 in order to make it more personal, and he even brought it to the UK in October to help grow the sport across Europe.

From BBC • Jan. 30, 2026

“We’re going to learn about the depth of this team,” said Manyweather, founder of OL Masterminds, which trains offensive linemen of all levels.

From Los Angeles Times • Oct. 4, 2025

She has also been heavily linked with sister club OL Lyonnes.

From BBC • Jun. 18, 2025

When Malcolm X reached home in Long Island, one of his followers, telephoning him there, got, instead, a telephone company operator who said that the OL 1-6320 number was “disconnected.”

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey