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O.D.1

1.
(in prescriptions) the right eye.
Origin
< Latin oculus dexter

O.D.2

1.
Doctor of Optometry.
3.
Old Dutch.
4.
(of a military uniform) olive drab.
5.
ordinary seaman.
6.
outside diameter.
7.
8.
overdrawn.

officer of the day

noun, Military
1.
an officer who has charge of the guard and prisoners on an assigned day at a military installation.
Abbreviation: OD, O.D., O.O.D.
Origin
1835-45

Old Dutch

noun
1.
the Dutch language before c1100.
Abbreviation: OD, OD., O.D.

ordinary seaman

noun
1.
a seaman insufficiently skilled to be classified as an able-bodied seaman.
Abbreviation: O.D., O.S., o.s.
Origin
1695-1705
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for o d

officer of the day

noun
1.
a military officer whose duty is to take charge of the security of the unit or camp for a day Also called orderly officer

Old Dutch

noun
1.
the Dutch language up to about 1100, derived from the Low Franconian dialect of Old Low German OD See also Franconian

ordinary seaman

noun
1.
a seaman of the lowest rank, being insufficiently experienced to be an able-bodied seaman
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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Word Origin and History for o d

O.D.

abbreviation of overdose, attested from 1960.

Online Etymology Dictionary, © 2010 Douglas Harper
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Related Abbreviations for o d

o.d.

  1. Latin oculus dexter (right eye)
  2. olive drab
  3. on demand
  4. outside diameter
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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