What does OA stand for?

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

We've found a total of 93 definitions for OA:

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OA

Overall

Governmental » Transportation

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OA

Overall

Governmental » Military

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OA

Overall

Governmental » NASA

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OA

Order of the Arrow

Community » Scouting

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OA

Operational Area

Governmental » Military

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OA

OsteoArthritis

Medical » Physiology

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OA

OsteoArthritis

Governmental » FDA

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OA

Okay Ako

Miscellaneous » Unclassified

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OA

Open Access

Computing » Networking

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OA

Outdoor Adventure

Miscellaneous » Unclassified

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OA

official answer

Miscellaneous » Unclassified

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OA

Office Automation

Miscellaneous » Unclassified

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OA

Office of Administration

Governmental » US Government

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OA

Office of Administration

Academic & Science » Ocean Science

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OA

Olympic Airways

Business » Companies & Firms

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OA

Organic Acid

Academic & Science » Electronics

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OA

Optical Axis

Medical » Physiology

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OA

Overeaters Anonymous

Community » Non-Profit Organizations

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OA

Orthogonal Array

Academic & Science » Mathematics

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OA

Office of Audit

Community » Educational

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OA

Oriental Adventures

Business » Companies & Firms

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OA

Ole Automation

Computing » General

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OA

Org.Apache

Computing » Software

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OA

Other Auctions

Miscellaneous » Unclassified

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OA

Over Acting

Community » Performing Arts

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What does OA mean?

Oa
Oa is a fictional planet that lies at the center of the DC Comics universe. Since its inception, Oa has been the planetary citadel of the Guardians of the Universe and the headquarters of the Green Lantern Corps. It first appeared in Green Lantern vol 2 #1, when the Guardians summoned Hal's "energy duplicate" so they could hear of his origin.

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