OA
OA is an abbreviation for:
- Afghanistan , according to the ICAO code
- Oberamt (Württemberg) , was the traditional name of a Württemberg administrative unit and lasted until 1934, when, after the Nazi takeover of power, the Oberamts were renamed with the Württemberg district order
- Upper arm , part of the arm and forms the section of the upper limb that is close to the body
- Senior physician , a doctor in a leading position, usually in a clinic or in a medical care center
- Senior auditor , division of the Federal Department of Defense, Civil Protection and Sport
- Official Aid for Countries and Territories in Transition , see Development Cooperation
- Officer candidates , a candidate for officer rank in the military, officer candidates have different status depending on the state
- Olympic Airlines , a former Greek national airline, based in Athens according to the IATA code
- Open Access , free access to academic literature and other materials on the Internet
- OpenArena , a free clone of Quake III Arena
- operational amplifier , operational amplifier , an electronic amplifier which has an inverting and a noninverting input and comprises usually a very high voltage gain
- Optical axis (optics)
- Opus Angelorum , see Engelwerk
- Organizational constellation , uses the spatial visualization of (internal) relationships between personal system units
- Original edition , any title that appears on the domestic or foreign book market for the first time
- Osteoarthritis , an arthrosis
- Overeaters Anonymous , an international self-help group for people with eating disorders, whose program is based on the God-related Twelve Steps of Alcoholics Anonymous
- o verlap a dd, see segmented convolution , a method for fast convolution, is used in digital signal processing
OA as a distinguishing mark on license plates:
- Germany: Oberallgäu district
- Netherlands: Dealer registration number for trailers
OA as a distinguishing mark on license plates:
- Belgium: classic cars
Oa stands for:
- Oa (Parish) , a parish on the island of Islay
- Upper section , see organizational structure of the SS
- The Oa , a peninsula on the Scottish island of Islay
o. A. (with spaces) is an abbreviation for:
- without author , see anonymity # meaning content
- without age restriction , see age rating
o. a. (with spaces) is an abbreviation for:
- listed above
See also :
Wiktionary: o. Ä. - Explanations of meanings, word origins, synonyms, translations
Wiktionary: or similar - explanations of meanings, word origins, synonyms, translations
