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O.S.1

1.
(in prescriptions) the left eye.
Also, o.s.
Origin
< Latin oculus sinister

O.S.2

1.
Old Saxon.
2.
Old School.
3.
Old series.
4.
(of the calendar) Old Style.
5.
Also, o.s. ordinary seaman.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for O.S.

o.s.

abbreviation
1.
out of stock
2.
(banking) outstanding
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
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Related Abbreviations for O.S.

o.s.

  1. Latin oculus sinister (left eye)
  2. old series
  3. out of stock
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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