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 92 definitions for OA:

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Acronym

Definition

Rating

OA

Operating Assembly

Governmental » Military

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OA

Operational Aft (DSC or MOM)

Governmental » NASA

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OA

Operational Instrumentation MDM-Aft

Governmental » NASA

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OA

Operations Aerology Shipboard METOC Division

Governmental » Military

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OA

ophthalmic artery

Medical » British Medicine

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OA

option appraisal

Medical » British Medicine

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OA

Orbital Assembly

Governmental » NASA

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OA

Ordem dos Advogados

Academic & Science » Societies

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OA

Order of Advocates

Academic & Science » Societies

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OA

Order of Australia

Miscellaneous » Awards & Medals

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OA

Ordered Application

Miscellaneous » Unclassified

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OA

organic aerosol

Academic & Science » Chemistry

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OA

organic anion

Medical » British Medicine

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OA

orotic acid

Medical » British Medicine

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OA

Output Axis

Governmental » NASA

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OA

Owner Agent

Business » Real Estate

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OA

oxalic acid

Medical » British Medicine

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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, 2016. Web. 6 Dec. 2016. <http://www.abbreviations.com/OA>.