Found 19,110 abbreviations starting with O:

OS

Orthopaedic Surgeon

Miscellaneous » Unclassified

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OS

Operating System

Computing » Software

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OS

Orzya Sativa

Academic & Science » Botany

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OS

Opposite Strand

Medical » Human Genome

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OS

Organizzazioni Sindacali

International » Italian

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OS

Outside Scope

Governmental » FBI Files

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OS

Ordnance Survey

Governmental » Environmental

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OS

Operating System

Computing » Drivers

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OS

Operations Specialist

Governmental » Military

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OS

Off-Street parking

Community » Housing

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OS

On-orbit Station

Governmental » NASA

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OS

Operating Software

Governmental » NASA

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OS

Operating System

Governmental » NASA

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OS

Optics Subsystem

Governmental » NASA

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OS

Orbital Servicing

Governmental » NASA

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OS

Orbiter Specification

Governmental » NASA

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OS

Old Style

Academic & Science » Genealogy

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OS

left eye–oculus sinister

Medical » British Medicine

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OS

mouth (os)

Medical » British Medicine

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OS

obese strain

Medical » British Medicine

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OS

observational study

Medical » British Medicine

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OS

occupational safety

Medical » British Medicine

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OS

office surgery

Medical » British Medicine

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OS

oligosaccharide

Medical » British Medicine

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OS

Omenn syndrome

Medical » British Medicine

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