Found 1,706 abbreviations starting with OS:

OSA

Old School Arcade

Miscellaneous » Unclassified

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OSA

Output Stuck At

Miscellaneous » Unclassified

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OSA

Online Sexual Addiction

Miscellaneous » Unclassified

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OSA

Oshkosh Student Association

Community » Educational

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OSA

Operational Support Area

Governmental » NASA

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OSA

OutStanding Achievement

Miscellaneous » Awards & Medals

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OSA

obstructive sleep apnea

Medical

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OSA

Ontario Soccer Association

Community » Sports

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OSA

obstructuve sleep apnea

Medical

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OSA

Sleep Apnea

Miscellaneous » Unclassified

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OSA

Omaha Sports Academy

Community » Sports

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OSA

Organization of Staff Analysts

Miscellaneous » Unclassified

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OSA

Online Signatory Application

Miscellaneous » Unclassified

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OSA

Oklahoma Soccer Association

Miscellaneous » Unclassified

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OSA

Open Space Agency

Miscellaneous » Unclassified

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OSA

Online Services Advisor

Miscellaneous » Unclassified

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OSA

optical spectrum analyzer

Miscellaneous » Unclassified

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OSA

Office of Student Affairs

Academic & Science » Students

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OSA

Optical Society of America

Miscellaneous » Unclassified

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OSA

open structure anti

Miscellaneous » Unclassified

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OSA

Orsini Security Agency

Miscellaneous » Unclassified

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OSA

Open Society Archives

Miscellaneous » Unclassified

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OSA

Open Simulation Architecture

Miscellaneous » Unclassified

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OSAA

Operational Satellite Active Archive

Academic & Science » Ocean Science

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OSAC

Overseas Security Advisory Council

Governmental » US Government

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