OA
From Wikipedia, the free encyclopedia
OA, Oa, or oa may refer to:
- Length overall (also o/a, o.a. or oa), an abbreviation for overall, used when describing the length of a ship.
- an abbreviation for on or about used in US military and government correspondence, as in "it happened o/a 22:30".
- an abbreviation for operating as, e.g. as in when one airline company operates a flight on behalf of another.
- Oa (digraph), a digraph
- Oa, a fictional planet in DC Comics
- Obavještajna agencija, the Croatian Intelligence Agency
- Oficina Anticorrupción, an Argentine law enforcement agency
- Old Alleynian, an old boy of Dulwich College
- Oleic acid, a monounsaturated omega-9 fatty acid
- Olympic Airlines, the IATA code
- Open access, the free online availability of digital content
- Operational amplifier in electronics
- Order of Appearance, a less-used synonym for Order of battle
- Order of the Arrow, the honor society of the Boy Scouts of America
- Order of Australia, an Australian formal honour
- Original Advocacy, in the National Forensics League
- Orion's Arm, a collaborative, hard sci-fi world-building project
- Osteoarthritis, a degenerative disease of joints
- Overeaters Anonymous, for compulsive overeaters
- Output Area, an area of approximately 100 households derived from the UK Census
- Oxford Archaeology, formerly known as "Oxford Archaeological Unit"
 |
This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
