O | Oxygen |
O | Oh |
o | octet |
O | Oberst |
O | Pyrrolysine |
O/o | Office of |
O2 | Oxygen |
O2O | Online to Offline |
O3b | Other 3 billion |
OAB | Oman Arab Bank |
OAS | Oracle Application Server |
OAS | Option Adjusted Spread |
OAS | Office of Applied Studies |
OAS | Organization of American States |
OAuth | Open Authorization |
OBC | Oriental Bank of Commerce |
OBC | Organic & Biomolecular Chemistry |
OBC | Orquestra Simfònica de Barcelona i Nacional de Catalunya |
OBC | Other Backward Class |
OBC | Order of British Columbia |
OBC | Osaka Broadcasting Corporation |
OBC | Osservatorio Balcani e Caucaso |
OBC | Ontario Building Code |
OBC | Over Betuwe College |
OBD | On-Board Diagnostics |
OBD | Outbound Dialler |
OBD | Opposed Blade Damper |
OBD | Obano Airport |
OBD | Organic Brain Disease |
OC | Original Content |
OC | Orange County |
OC | Open Circuit |
OC | OverClocking/OverClock |
OC | Original Character |
OC | Ocean City |
oc | Occitan |
OC | Organic Carbon |
OC | Optical Carrier |
OC | Oral Contraceptive |
OC | Oberlin College |
OC | Open Collector |
OC | Octopus Card |
OC | Oleoresin Capsicum |
OCBC | Oversea-Chinese Banking Corporation |
OCBC | Orange County Business Council |
OCBC | Orange County Buddhist Church |
OCBC | Old Cambridge Baptist Church |
OCBC | Oakland Cannabis Buyers’ Cooperative |
OCBC | Orange County Badminton Club |
OCD | Obsessive Compulsive Disorder |
OCD | Osteochondritis Dissecans |
OCD | Office of Civilian Defense |
OCI | Other Comprehensive Income |
OCI | Oracle Cloud Infrastructure |
OCI | Oracle Call Interface |
OCI | Overseas Citizenship of India |
OCI | Orascom Construction Industries |
OCI | Organisation de la Coopération Islamique |
OCI | On-Campus Interview |
OCI | Office of Criminal Investigations |
OCI | Open Catalog Interface |
OCI | Open Container Initiative |
oci | Occitan |
OCI | Organizational Conflict of Interest |
OCI | Olympic Council of Ireland |
OCI | Ontario Cancer Institute |
OCI | Organisation Communiste Internationaliste |
OCI | Oakwood Collegiate Institute |
OCI | Open Constitution Initiative |
OCP | Oracle Certified Professional |
OCR | Optical Character Recognition |
OCR | Office for Civil Rights |
OCR | Office for Civil Rights |
OCR | Oxford, Cambridge and RSA Examinations |
OCR | Official Cash Rate |
OCR | Official Cash Rate |
OCR | Optimal Currency Region |
OCR | Old Cask Rum |
Oct | October |
OCT | Office of Cable Television |
Oct | Octal |
OCT | Optical Coherence Tomography |
OCT | Oxford Classical Texts |
OCT | Ontario College of Teachers |
OCT | Oxytocin Challenge Test |
OCT | Optimal Control Theory |
OCV | Open Circuit Voltage |
OD | Doctor of Optometry |
OD | Overdraft |
OD | Malindo Air |
OD | Optical Density |
OD | Organization Development |
OD | Occupational Disease |
OD | Outside Diameter |
OD | Overdose |
OD | Opportunistic Disease |
OD | Oxygen Demand |
ODA | Official Development Assistance |
ODA | Open Document Architecture |
ODA | Oregon Department of Agriculture |
ODA | Olympic Delivery Authority |
ODA | Ohio Dental Association |
ODA | Ouadda Airport |
ODBC | Open Data Base Connectivity |
ODFL | Old Dominion Freight Line |
ODFL | Open, Distance and Flexible Learning |
ODFL | One Dollar For Life |
ODFL | Omeo and District Football League |
ODI | One Day International |
ODI | Overseas Development Institute |
ODP | Open Directory Project |
ODP | Ocean Drilling Program |
OE | Outlook Express |
OECD | Organisation for Economic Co-operation and Development |
OECD | Office for Early Childhood Development |
OED | Oxford English Dictionary |
OED | Oregon Employment Department |
OEM | Original Equipment Manufacturer |
OEM | Office of Emergency Management |
OEM | Oracle Enterprise Manager |
OEM | Object Exchange Model |
OEM | Vincent Fayks Airport |
OFB | Output FeedBack |
OFB | Ordnance Factories Board |
OFB | Open for Business |
OFC | Optical Fiber Communication |
OFC | Orbitofrontal Cortex |
OFC | Oxygen Free Copper |
OFC | Optical Fiber Cable |
ofc | of course |
OFC | Oceania Football Confederation |
OFC | Corporate Office Properties Trust |
OFC | Offshore Financial Centre |
OFC | Open Face Chinese |
OFC | Oxyfuel Gas Cutting |
OFC | Optional Federal Charter |
OFC | Oxford Farming Conference |
OFC | Open Fiber Control |
OFC | Open Financial Connectivity |
OFC | Original Fine Canadian |
OFC | Ottawa Folklore Centre |
OFC | Optical Fiber Conductive |
Ofgem | Office of Gas and Electricity Markets |
Ofgem | Office of Gas and Electricity Markets |
Ogg | Ogg derives from ogging, jargon from the computer game Netrek |
OGG | Kahului Airport |
OGPA | Overall Grade Point Average |
OHCHR | Office of the United Nations High Commissioner for Human Rights |
Ohm | named after German physicist, Georg Simon Ohm |
OHP | OverHead Projector |
OHP | Oregon Health Plan |
OHP | Observatoire de Haute-Provence |
OHP | Occupational Health Psychology |
OHP | Oklahoma Highway Patrol |
OHP | Open House Party |
OHP | Open Humanities Press |
OHP | Order of The Holy Paraclete |
OHV | Off Highway Vehicle |
OHV | OverHead Valve |
OIDAR | Online Information and Database Access or Retrieval |
OIGS | Osaka International Gift Show |
OIGS | Outreach Institute of Gender Studies |
OIL | Oil India Limited |
OIL | Operation Iraqi Liberation |
OIL | Ontology Inference Layer |
OK | Oll Korrect |
OK | Oklahoma |
OK | Old Kinderhook |
OK | Czech Airlines |
OLED | Organic Light-Emitting Diode |
OLEDB | Object Linking and Embedding, Database |
OLX | On Line eXchange |
OMAP | Open Multimedia Application Platform |
OMC | Organización Mundial del Comercio |
OMC | Organisation Mondiale du Commerce |
OMC | Organização Mundial do Comércio |
OMC | Omnicom Group Inc. |
OMC | Open Method of Coordination |
OMC | Odisha Mining Corporation |
OMC | Oil Marketing Company |
OMC | Ormoc Airport |
OMC | Operation and Maintenance Center |
OMC | Octyl-methoxycinnamate |
OMC | Ordem do Mérito Cultural |
OMC | Outboard Marine Corporation |
OMC | Olifant Manufacturing Company |
OMC | Oxford Mindfulness Centre |
OMC | Osaka Medical College |
OMC | Otara Millionaires Club |
OMC | Ontario Medal for Good Citizenship |
OMFED | Orissa State Cooperative Milk Producers’ Federation Limited |
OMG | Oh My God |
OMG | Object Management Group |
OMG | Ocular Myasthenia Gravis |
OMR | Omani Rial |
OMR | Old Mahabalipuram Road |
OMR | Optical Mark Recognition |
OMR | Optical Mark Reader |
OMR | Oradea Airport |
OMR | Optical Music Recognition |
OMR | Outermost Regions |
OMR | Ontario Medical Review |
OMS | Organisation Mondiale de la Santé |
OMS | Order Management System |
OMW | On My Way |
OMW | Ogden Murphy Wallace |
ONGC | Oil and Natural Gas Corporation |
Onkyo | translates as “sound harmony” |
ONVIF | Open Network Video Interface Forum |
OODBMS | Object-Oriented Data Base Management System |
OOO | Out of Order |
OOo | OpenOffice.org |
OOO | Out of Office |
Ooo | Alturas Municipal Airport |
OOP | Object-Oriented Programming |
OOPS | Out Of Phase Stereo |
OOPS | Out of Paper Sensor |
OOTD | Outfit Of The Day |
OOTD | Offer of the Day |
OOTN | Outfit Of The Night |
OOTW | Operations Other Than War |
OOTW | Outfit(s) Of The Week |
OP | Original Post/Poster |
OP | One Piece |
OP | Ocean Pacific |
OP | OutPatient |
OP | Optimus Prime |
Op | Opus number |
OP | Ordo Praedicatorum |
OP | OverPowered |
OP | Observation Post |
OP | OrganoPhosphate |
OP | Out of Print |
OP | Original Pronunciation |
OP | Operational Planning |
OP | OsuusPankki |
OP | Orange Pekoe |
OP | Overall Position |
OP | Overland Park |
OP | Opposite Prompt |
Op | Order in probability |
OP | Oratory Prep |
op | oborový podnik |
OPAC | Online Public Access Catalog |
OPAC | Office Proficiency Assessment and Certification |
OPC | OLE for Process Control |
OPC | One Person Company |
OPC | Optical Proximity Correction |
OPC | Optimum Power Calibration |
OPC | Orthodox Presbyterian Church |
OPC | Office of the Parliamentary Counsel |
OPC | Organic Photo-Conductor |
OPC | Opel Performance Center |
OPC | Ontario Police College |
OPC | Otsuka Pharmaceutical Company |
OPC | Oligomeric Proanthocyanidins |
OPC | Oodua Peoples Congress |
OPC | Ovamboland People’s Congress |
OPD | Oakland Police Department |
OPD | Outpatient Department |
OPD | Orlando Police Department |
OPEC | Organization of Petroleum Exporting Countries |
OPEC | Ohio Prevention and Education Conference |
OPeNDAP | Open-source Project for a Network Data Access Protocol |
OPGW | Optical Ground Wire |
OPORD | Operation(s) Order |
Opp | Opposite |
OPP | Ontario Provincial Police |
OPP | Object Push Profile |
OPP | Over Power Protection |
OPP | Ovine Progressive Pneumonia |
OPP | Office of Pesticide Programs |
OPP | Orangi Pilot Project |
OPP | Ortho-Phenylphenol |
OPP | Office of Polar Programs |
OPP | Office of Public Prosecutions |
OPP | Offentligt-Privat Partnerskab |
OPP | Office of Physical Plant |
OPP | Orleans Parish Prison |
OPP | Open Prosthetics Project |
OPR | Operator/Operate/Operation |
OPR | Office of Population Research |
OPR | Office of Professional Responsibility |
OPR | Overall Pressure Ratio |
OPR | Overnight Policy Rate |
OPR | Organisation du Peuple Rodriguais |
OPR | Old Parochial Registers |
OPR | Old Port Rum |
OPS | Office of Public Safety |
OPS | Omaha Public Schools |
OPS | Oracle Parallel Server |
OPS | Ottakara Panneerselvam |
OPS | Optical Parking System |
OPS | Ottawa Police Service |
OPS | On-Base Plus Slugging |
OPSM | Optical Prescription Spectacle Makers |
OPSM | Oracle Parallel Server Management |
OR | Oregon |
or | Oriya |
OR | Odds Ratio |
OR | ArkeFly |
Oracle | the name Oracle comes from the code name of a CIA project |
Oral-B | Oral-Brush |
OrCAD | Oregon + CAD |
org | Organization |
ORG | Oxford Research Group |
ORG | Open Rights Group |
ORG | Zorg en Hoop Airport |
Orkut | named after its creator, Orkut Büyükkökten |
ORM | Object-Relational Mapping |
ORM | Operational Risk Management |
ORM | Online Reputation Management |
ORM | Object-Role Modeling |
ORM | Sywell Aerodrome Airport |
orm | Oromo |
ORM | Orion Metals Limited |
ORM | Observatorio del Roque de los Muchachos |
ORM | Orosomucoid |
ORS | Oral Rehydration Solution |
ORS | Olfactory Reference Syndrome |
ORS | Orthopaedic Research Society |
ORS | Old Red Sandstone |
ORS | Oregon Revised Statutes |
ORS | Overseas Research Scholarship |
ORS | Oxygen Reduction System |
ORS | Oculo-Respiratory Syndrome |
ORS | OID Resolution System |
ORS | Orcas Island Airport |
ORVM | Outside Rear View Mirror |
OS | Operating System |
OS | Open Source |
OSCE | Organization for Security and Co-operation in Europe |
OSCE | Objective Structured Clinical Examination |
OSCON | O’Reilly Open Source Convention |
OSD | On-Screen Display |
OSHA | Occupational Safety and Health Administration |
OSHA | Occupational Safety and Health Association |
OSHA | Oregon Speech-Language-Hearing Association |
OSI | Open Systems Interconnection |
Osram | Osmium + Wolfram |
OSRTC | Odisha State Road Transport Corporation |
OSS | Open Source Software |
OSS | Open Sound System |
OSS | Office of Strategic Services |
OSV | Our Sunday Visitor |
OSV | Original Seen & Verified |
OSV | Offshore Supply Vessel |
OSV | Old Sturbridge Village |
OT | Occupational Therapist |
OT | Occupational Therapy |
OT | Operation Theatre |
OT | Operational Technology |
OT | Off-Topic |
OT | Oxytocin |
OT | OverTime |
OT | Operación Triunfo |
OT | Obrněný Transportér |
OT | Old Testament |
OT | Optimality Theory |
OT | OverTime |
OT | Operation Transformation |
OT | Organisation Todt |
OT | Oyu Tolgoi |
OT | Operating Thetan |
OT | Oblivious Transfer |
OT | Operational Transformation |
OT | Offensive Tackle |
OT | Aeropelican Air Services |
OTA | Over-the-air |
OTA | Office of Technology Assessment |
OTA | Organic Trade Association |
OTA | Orthodontic Technicians Association |
OTA | Operational Transconductance Amplifier |
OTC | Over The Counter |
OTC | OpenText Corporation |
OTC | Over The Counter |
OTC | Osaka Titanium Technologies |
OTC | Ozarks Technical Community College |
OTC | Ornithine Transcarbamylase |
OTCEI | Over the Counter Exchange of India |
OTE | On-Target Earnings |
OTE | Οργανισμός Τηλεπικοινωνιών Ελλάδος |
OTE | Oxygen Transfer Efficiency |
OTE | Optically Transparent Electrode |
OTET | Ovarian-Type Epithelial Tumors |
OTET | Orissa Teachers Eligibility Test |
OTG | On-The-Go |
OTG | Over The Glasses |
OTG | Oven Toaster Griller |
OTG | Off-The-Grid |
OTG | Worthington Airport |
OTG | Octyl Thioglucoside |
OTG | One Two Go Airlines |
OTM | One Time Mandate |
OTM | Ottumwa |
OTM | OSHA Technical Manual |
OTM | Open Tip Match |
OTM | Ottumwa Regional Airport |
OTM | Of The Month |
OTM | Office of Technology Management |
OTM | On the Media |
OTM | Operations and Technology Management |
OTM | On the Move |
OTP | One Time Password |
OTP | One Time Programmable |
OTP | Opposite Track Path |
OTP | Bucharest Otopeni International Airport |
OTP | Out of Turn Priority |
OTT | Over-The-Top |
OTT | Ottawa |
OTT | OpenDocument Text Template |
OTT | Overseas Trained Teacher |
OTT | One-Time Tape |
OU | Open Universities |
OU | Open University |
OU | University of Oklahoma |
OU | Ohio University |
OU | Osmania University |
OUP | Oxford University Press |
OUP | Ornstein–Uhlenbeck Process |
OVRM | Overdimension Vehicle Route Maps |
OVRM | Okanagan Vacation Rental Management |
OWASP | Open Web Application Security Project |
Oxfam | Oxford Committee for Famine Relief |
Oy | Osakeyhtiö |
OYEC | Own Your Electric Connection |
Oyj | Julkinen Osakeyhtiö |
OYO | On Your Own |
OYO | Ombetja Yehinga Organisation |
oz | Ounce |
OZ | Asiana Airlines Inc. |
OZ | Olimpia Zagnoli |
Ozone | named after the Greek verb Ozein (to smell), from the peculiar odor in lightning storms |