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

Object Address

Computing » Assembly

   
OA

obstructive apnoea

Medical » British Medicine

   
OA

occipital artery

Medical » British Medicine

   
OA

occiput anterior

Medical » British Medicine

   
OA

odontoameloblastoma

Medical » British Medicine

   
OA

oesophageal atresia

Medical » British Medicine

   
OA

oleic acid

Medical » British Medicine

   
OA

oligoastrocytoma

Medical » British Medicine

   
OA

open appointment

Medical » British Medicine

   
OA

ophthalmic artery

Medical » British Medicine

   
OA

option appraisal

Medical » British Medicine

   
OA

organic anion

Medical » British Medicine

   
OA

orotic acid

Medical » British Medicine

   
OA

ovarian artery

Medical » British Medicine

   
OA

oxalic acid

Medical » British Medicine

   
OA

Online Adventures

Internet » Chat

   
OA

organic aerosol

Academic & Science » Chemistry

   
OA

Open Agility

Miscellaneous » Dogs Related

   
OA

Operation Administrations

Community » Educational

   
OA

Office of Audit

Community » Educational

   
OA

Organic Acid

Academic & Science » Electronics

   
OA

OsteoArthritis

Governmental » FDA

   
OA

Oriental Adventures

Business » Firms

   
OA

Olympic Airways

Business » Firms

   
OA

Ole Automation

Computing » General

   

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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