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 91 definitions for OA:

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OA

Obadiah Abbe

Miscellaneous » Unclassified

   
OA

Operational Assessment (or Architecture)

Governmental » Military

   
OA

Osteoarthritis, Occiput Posterior

Medical » Physiology

   
OA

Overs Average

Miscellaneous » Unclassified

   
OA

Opperate Annihilate

Miscellaneous » Unclassified

   
OA

Order of Alequi

Miscellaneous » Science Fiction

   
OA

Open Architecture

Miscellaneous » Unclassified

   
OA

Online Applicant

Miscellaneous » Unclassified

   
OA

official answer

Miscellaneous » Unclassified

   
OA

Odessa American

Miscellaneous » Unclassified

   
OA

on Abbreviations

Miscellaneous » Unclassified

   
OA

Ordered Application

Miscellaneous » Unclassified

   
OA

Object Address

Computing » Assembly

   
OA

Object Adapter

Computing » Software

   
OA

Output Axis

Governmental » NASA

   
OA

Orbital Assembly

Governmental » NASA

   
OA

Operational Instrumentation MDM-Aft

Governmental » NASA

   
OA

Operational Aft (DSC or MOM)

Governmental » NASA

   
OA

Office of Applications (now OSTA)

Governmental » NASA

   
OA

Order of the Arrow

Community » Scouting

   
OA

Objective Area

Governmental » Military

   
OA

Operating Assembly

Governmental » Military

   
OA

Operational Area

Governmental » Military

   
OA

Operations Aerology Shipboard METOC Division

Governmental » Military

   
OA

old age

Medical

   

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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