Found 2,146 abbreviations starting with OS:

OSAE

Oklahoma Society of Association Executives

Academic & Science » Societies

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OSAE

Office of Standardization and Academic Excellence

Academic & Science

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OSAF

Open Source Applications Foundation

Miscellaneous » Foundations

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OSAF

Omaha Summer Arts Festival

Community » Festivals

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OSAF

Ohio Society of American Foresters

Academic & Science » Societies

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OSAF

Online School Activity Funds

Community » Schools

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OSAF

Optimally Stationing Army Forces

Governmental » Military

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OSAGH

Ochsner St Anne General Hospital

Medical » Hospitals

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OSAMA

Oh S***! American Missiles Again!

Miscellaneous » Funnies

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OSAMA

Oh S*** American Missiles Again

Miscellaneous » Funnies

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OSAMI

Oxymoron, Such As Military Intelligence

Internet » Chat

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OSAO

Overseas Students' Affairs Office

Community » Educational

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OSAP

Ontario Student Assistance Program

Academic & Science » Universities

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OSAP

Oxford Study Abroad Programme

Academic & Science » Universities

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OSAP

Oberlin Sustainable Agriculture Project

Miscellaneous » Farming & Agriculture

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OSAP

Organization For Safety Asepsis Procedures

Miscellaneous » Unclassified

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OSAP

Ovary Specific Acidic Protein

Miscellaneous » Unclassified

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OSAP

Aleppo Neriab International, Syria

Regional » Airport Codes

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OSAR

Operating Statement Analysis Report

Miscellaneous » Unclassified

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OSAR

Odessa State Academy of Refrigeration

Academic & Science

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OSAR

Optical Storage And Retrieval

Miscellaneous » Unclassified

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OSARA

Ohio Search and Rescue Association

Community » Associations

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OSARA

Omora Sub Antarctic Research Alliance

Academic & Science » Research

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OSARA

Omora Sub Antarctic Research Alliance

Governmental » Alliances

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OSAS

Open Space Access Survey

Community

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