o/s

o.s.

abbr.

1. Latin oculus sinister (left eye)

2. old series

3. or o/s out of stock

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old style

n.

1. Printing A style of type originating in the 1700s and characterized by slight contrast between light and heavy strokes and slanting serifs.

2. Old Style Abbr. OS or O/S The method of reckoning dates according to the Julian calendar.

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os ¹

 (ōs)

n. pl. o·ra (ôr′ə)

A mouth or an opening.

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[Latin ōs, mouth; see ōs- in Indo-European roots.]

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os ²

 (ŏs)

n. pl. os·sa (ŏs′ə)

A bone.

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[Latin, bone; see ost- in Indo-European roots.]

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os ³

 (ōs)

n. pl. os·ar (ō′sär′)

See esker.

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[Swedish ås, ridge, from Old Norse āss.]

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Os

The symbol for osmium.

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OS

abbr.

1. or O/S Old Style

2. operating system

3. ordinary seaman

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Translations

o/s

ABBR (Comm) =outsize → de tamaño extraordinario

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005