What does OS stand for?

What does OS mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: OS.

We've found a total of 134 definitions for OS:

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OS

Open Source

Computing » General

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OS

Open Source

Computing » Software

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OS

Operating System

Computing » Drivers

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OS

Operating System

Computing » Security

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OS

Operating System

Computing » General

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OS

Operating System

Governmental » NASA

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OS

Operating System

Computing » Software

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OS

Operating System

Academic & Science » Electronics

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OS

Operating System

Governmental » Military

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OS

Oculus Sinister - Left Eye

Medical » Physiology

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OS

On Sheet

Business » Accounting

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OS

OStium (mouth)

Medical » Physiology

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OS

Old School

Community » Educational

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OS

Ordnance Survey

Governmental » Military

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OS

Online Services

Computing » Networking

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OS

Outer Space

Governmental » NASA

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OS

Old Skool

Governmental » Military

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OS

Open System

Computing » General

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Os

Osmium

Academic & Science » Electronics

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Os

Osmium

Academic & Science » Chemistry

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OS

One Size

Miscellaneous » Clothes

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OS

Overall Survival

Medical » Oncology

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OS

O Sullivan

Community » Famous

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OS

On Service

Governmental » Military

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OS

Old Style

Community » Media

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What does OS mean?

os(noun)
a mouth or mouthlike opening

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"OS." Abbreviations.com. STANDS4 LLC, 2015. Web. 30 May 2015. <http://www.abbreviations.com/OS>.