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Your abbreviation search returned 82 meanings
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| Category Filters > | All definitions (82) |
Information Technology (18) |
Military & Government (23) |
Science & Medicine (13) |
Organizations, Schools, etc. (29) |
Business & Finance (13) |
Slang, Chat & Pop culture (2) |
| sort results: alphabetical | rank ? | |||
| Rank | Abbr. | Meaning | |
|---|---|---|---|
| ****** | OSA | Obstructive Sleep Apnea | |
| ****** | OSA | Optical Society of America | |
| ****** | OSA | Office of the State Auditor | |
| ****** | OSA | Office of Student Affairs | |
| ***** | OSA | Office of Special Affairs (Church of Scientology International) | |
| ***** | OSA | Office of Substance Abuse | |
| **** | OSA | Optical Spectrum Analyzer | |
| **** | OSA | Outside Air | |
| **** | OSA | Official Secrets Act | |
| **** | OSA | Open Systems Architecture | |
| **** | OSA | Open Society Archives (Budapest, Hungary) | |
| **** | OSA | Overseas Subscribers Agents (lottery agent) | |
| **** | OSA | Office of Student Achievement (various locations) | |
| **** | OSA | Open Service Access (3GPP) | |
| **** | OSA | Operational Support Airlift (US DoD) | |
| **** | OSA | Open Service Architecture | |
| **** | OSA | Organizzazione degli Stati Americani | |
| **** | OSA | Outstanding Service Award | |
| *** | OSA | Office of the Secretary of the Army | |
| *** | OSA | Operational Support Aircraft | |
| *** | OSA | Ordo Sancti Augustini (St Augustine Order) | |
| *** | OSA | Order of Saint Augustine | |
| *** | OSA | Open Software Associates | |
| *** | OSA | Overseas Students' Association (University of Adelaide, Australia) | |
| *** | OSA | Optical Subassemblies (Palomar Technologies) | |
| *** | OSA | Old Stone Age (gaming forums) | |
| *** | OSA | Optimal Shelf Availability | |
| *** | OSA | Organization of Staff Analysts (New York, NY) | |
| *** | OSA | Organización Sionista Argentina | |
| *** | OSA | Opportunistic Spectrum Access | |
| *** | OSA | Oberstabsarzt (German military) | |
| *** | OSA | Om Svar Anhålles | |
| *** | OSA | Order of St Anne | |
| *** | OSA | Oscilloquartz SA (Switzerland) | |
| *** | OSA | Our Special Ale (Anchor Christmas Ale) | |
| *** | OSA | Online Sexual Activity | |
| *** | OSA | Organizations and Strategies in Astronomy | |
| *** | OSA | Object Services Architecture | |
| *** | OSA | Otto Schulze Autometer | |
| *** | OSA | Open Security Architecture (Nortel) | |
| *** | OSA | Orchid Society of Arizona (Phoenix, AZ) | |
| ** | OSA | Ordinis Sancti Augustini (of the order of St Augustine) | |
| ** | OSA | Open Solutions Architecture (Novell) | |
| ** | OSA | Open Space Assessment | |
| ** | OSA | Old Stock Ale (North Coast Brewery) | |
| ** | OSA | Oregon Society of Anesthesiologists | |
| ** | OSA | Opus Sanctorum Angelorum (Latin: Work of the Holy Angels; religious order) | |
| ** | OSA | Oregon Soccer Association (Oregon, WI) | |
| ** | OSA | Office of Space Acquisition | |
| ** | OSA | Office of the Space Architect | |
| ** | OSA | Operational Support Authority | |
| ** | OSA | Olympic Science Alliance | |
| * | OSA | Olentangy Swim Association (Powell, OH) | |
| * | OSA | Office Solution Accelerator (Microsoft) | |
| * | OSA | Office of Safety Appraisals | |
| * | OSA | Orbiter-based Station Avionics | |
| * | OSA | Out of Station Allowance | |
| * | OSA | Outfitting Supply Activity | |
| * | OSA | Outfitting Support Activity | |
| * | OSA | Operational Safety Analysis/Assessment | |
| * | OSA | Operating System Account | |
| * | OSA | Objective Switching Architecture | |
| * | OSA | Ocala Sportsman's Association, Inc (Florida, USA) | |
| * | OSA | Hermits of St. Augustine, Augustinians (religious order) | |
| * | OSA | Optic Stabilizer Assembly | |
| * | OSA | OPLAN Supportability Analysis | |
| * | OSA | observability subspace algorithm | |
| * | OSA | Ontology Server for Archaeological Information Retrieval and Processing | |
| * | OSA | On-Screen Analysis | |
| * | OSA | Owatonna Soccer Association (Minnesota) | |
| * | OSA | Officially Step Aside | |
| * | OSA | Organización de Seguros Africanos (Spanish: African Insurance Organization) | |
| * | OSA | Online Selling Association (Hutchinson, KS) | |
| * | OSA | Online Savings Account | |
| * | OSA | Oakland School for the Arts (California) | |
| * | OSA | Office of Student Activities (various schools) | |
| * | OSA | Oregon Student Association (est. 1975) | |
| * | OSA | Operation Save America (aka Operation Rescue; anti-abortion group) | |
| * | OSA | Open Source Academy (various locations) | |
| * | OSA | Open Solutions Alliance (vendor consortium) | |
| * | OSA | Oxford Spires Academy (UK) | |
| * | OSA | Osteosarcoma (tumors) | |
| Note: We have 250 other definitions for OSA in our Acronym Attic | |||
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