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 127 definitions for OS:

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Acronym

Definition

Rating

OS

Omega Strain

Miscellaneous » Unclassified

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OS

Omenn syndrome

Medical » British Medicine

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OS

On Steroids

Miscellaneous » Unclassified

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OS

On-orbit Station

Governmental » NASA

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OS

Oneself

Internet » Chat

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OS

opening snap

Medical » British Medicine

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OS

Operating Software

Governmental » NASA

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OS

Operations Specialist

Governmental » Military

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OS

Opitz syndrome

Medical » British Medicine

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OS

Optics Subsystem

Governmental » NASA

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OS

oral solution

Medical » British Medicine

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OS

Orbital Servicing

Governmental » NASA

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OS

Ordinary Seaman

Business » Occupation & Positions -- and more...

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OS

Ordinary Shares

Business » London Stock Exchange

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OS

organ-specific

Medical » British Medicine

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OS

Orientation Sessions

Community » Educational

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OS

Orthopaedic Surgeon

Medical » Orthopaedic

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OS

Orzya Sativa

Academic & Science » Botany

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OS

Osgood-Schlatter

Medical » British Medicine

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OS

osteosarcoma

Medical » British Medicine

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OS

osteosclerosis

Medical » British Medicine

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OS

Ostrich Source

Miscellaneous » Unclassified

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os

out of stock

Business » Companies & Firms -- and more...

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OS

outer segment

Medical » British Medicine

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OS

overlap syndrome

Medical » British Medicine

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What does OS mean?

os(noun)
a mouth or mouthlike opening

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"OS." Abbreviations.com. STANDS4 LLC, 2016. Web. 25 Sep. 2016. <http://www.abbreviations.com/OS>.