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

Overall

Governmental » Transportation

   
OA

Overall

Governmental » Military

   
OA

Overall

Governmental » NASA

   
OA

OsteoArthritis

Medical » Physiology

   
OA

OsteoArthritis

Governmental » FDA

   
OA

Open Access

Computing » Networking

   
OA

Okay Ako

Miscellaneous » Unclassified

   
OA

Office of Administration

Governmental » US Government

   
OA

Office of Administration

Academic & Science » Ocean Science

   
OA

Olympic Airways

Business » Firms

   
OA

Organic Acid

Academic & Science » Electronics

   
OA

Optical Axis

Medical » Physiology

   
OA

Office Automation

Miscellaneous » Unclassified

   
OA

Overeaters Anonymous

Community » Non-Profit Organizations

   
OA

Orthogonal Array

Academic & Science » Mathematics

   
OA

Office of Audit

Community » Educational

   
OA

Oriental Adventures

Business » Firms

   
OA

Ole Automation

Computing » General

   
OA

Org.Apache

Computing » Software

   
OA

Outdoor Adventure

Miscellaneous » Unclassified

   
OA

Other Auctions

Miscellaneous » Unclassified

   
OA

Over Acting

Community » Performing Arts

   
OA

Online Adventures

Internet » Chat

   
OA

Offer Accepted

Business » Occupation & Positions

   
OA

Osteo-arthritis

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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