Full Forms Starting with Letter O

Short FormFull Form
OHSASOccupational Health & Safety Advisory Services
OSCEOrganization for Security and Co-operation in Europe
OIGSOn India Government Service
ODLOpen and Distance Learning
OKOnly Kidding
OPERAOpen Process Engine For Reliable Activities
OPOperation Optical Output
OSOperating System
ODFObject Definition File
OOSCOut of School Children
OLDOld version (file name extension)
OFFICEO - our f- fast & f-furious i-intelligent c-circle of e-enemies
OHOff Hook
OSRTCOdisha State Road Transport Corporation
OUTOutlines (file name extension)
OTGOn The Go
OTOff Topic
ONICRAOnida Individual Credit Rating Agency of India
OLTASOnLine Tax Accounting System
ONGCOil & Natural Gas Corporation Limited
OFFObject Factory Framework
OTPOne-Time Programmable
ONGOptic Nerve Glioma
ODCOther Direct Charges
OTSOne Time Settlement
OSPOutSide Plant
OSMOff-Screen Model
OMROptical Mark Recognition
OILOil India Limited
OLEObject Linking and Embedding
OPSOperations
OICOh I see
OSQAOpen Source Question and Answer system
OCROptical Character Recognition (scanner terminology for software)
OOh
OLICOfficial Language Implementation Committee
OSDOn Screen Display
OHMOffshore Hydrocarbon Mapping
OBJObject file- often used with 3D file generation programs (extension)
OECDOrganisation for Economic Cooperation and Development
OPECOrganisation of Petroleum Exporting Countries
OSIOpen Systems Interconnection (Suite of standard protocols for internet communication)
ODOver Draft
OBCOther Backward Class
OMCOperations and Maintenance Centre (GSM)
OGLOpen General Licence
OLXOnLine eXchange
OMFEDOrissa State Cooperative Milk Producers Federation Limited
OSTOffice of Science and Technology
ORGOrganization (organization Domain name) [Internet]
OLthe Old Lady
OLMocular larva migrans
OCOptical Carrier
ODBCOpen DataBase Connectivity (2 Components) (Microsofts shared data connections)
OMDOrbiter Mating Device
OBOperation Blackboard
OPTOpen Protocol Technology
OPDOuter patient Department
OCWOpenCourseWare (ICT)
OEMOriginal Equipment Manufacture
OCSOverseas Communication Service
ONGSOil and Natural Gas Commission
OPHOphthalmologist
OAObject Address
ODMObject Data Manager [IBM]
OLAPOnLine Analytical Processing (32 bit applications with links to ActiveX and Java Beans)
OOPSObject Oriented Programming System
OPIOpen Prepress Interface
OOTDOffer Of The Day
OTFOpen Token Foundation
ORVOcean Research Vessel
OSBLOutSide the Battery Limit
ORSOutput Record Separator
OAMOrder of Australia Medal
ORCOrganizational Readiness for Change
OUATOrissa University of Agriculture & Technology
OPCODEOperational Code
OTCoff the chain
ODIOpen Datalink Interface
OASOne-to-All Scatter
OPVOral Pulse Vaccine
OPCOptical Photoconductor
OMthe Old Man
ORACLEOn-line Inquiry and Report Generator (Unix db)
OHSOffice of Hearing Services
OJTOn-the-Job Training
OLAOffice of Legal Affairs
OHPOccupational Health Psychology
OCDOperational Capability Development
OSHOccupational Safety and Health
OSCOversight Committee
OCMOcean Colour Monitor
OHDOptical Hard Drive
OCIOverseas Citizens of India
OSGObject Systems Group
OVROn-Venue Results
OSNOperand Segment Number
ODAOfficial Development Assistance
OTTOver the Top
OSFOpen Software Foundation
OHCOptics Hand Controller
OHIMOh Hell It's Monday
OSQLObject Structured Query Language
OH NOESoh shit!
ODSOperational Data Store
OAPOld Age Pensioner
OLTPOn-Line Transaction Processing
OSPFOpen Shortest Path First
OPACOnline Public Access Catalog [Internet]
OTMObject Transaction Monitor
OFCof course
OBDOn Board Diagnostics
OH NOEZOh no!
OYOon your own
OOPObject Oriented Programming
OSROriginal Service Release
OCISOutput Costing Information System
OSLOptimization Subroutine Library
OTDROptical Time Domain Reflectometer
OHKOhOk
OOTObject-Oriented Technology
ODPOpen Distributed Processing
OMSOutput per Man Shift
OEEOffice of Economic Education
ORBObject Request Broker
OGoriginal gangster
OTROff The Rack: Saying that something is outside the ordinary.
OSCBOther Indian Scheduled Commercial Bank
OVLONGC Videsh Limited
OTAOver The Air Activation
OECOther Eligible Community
OFTOrbital Flight Test
OSOAOil Sector Officers' Association
OTEOver The Edge (beyond common sense or beyond good taste)
OSAOpen Scripting-System Architecture
OPAOverseas Performing Artist
OWCOregon Wheat Commission
OHGOperators Harmonization Group (cellular networks)
OPMOperations Per Minute
OCHOrbiter Common Hardware
OGMOut-Going Message
OIOObject Input/ Output
OTBOff to Bed
ODTOpen Desktop
OISOffice Information Systems
ONSOffice of National Statistics
OBSOperational Biomedical System
ONROutofDetent Roll
OMGOh My Gosh (although its usually used with the Lords name in place of "gosh")
OARSOn-line Academic Registration System
OSSOperations Support Systems
OBTOrder of the Burdened Tyger
OHROffice of Human Resources
OLTOperation Land Transfer
OOSObject-Oriented Systems
OLCOptical Loop Carrier
ONTOpen Network Terminal
OBGYNObstetrics and gynaecology
OCXActive X file extension
OPEOshkosh Placement Exchange
OPUSOctal Program Updating System
OSCAROccupational Skills Competition And Review
OOHOccupational Outlook Handbook
OLE DBDatabase that supports objects- linking- and embedding
OTECOcean Thermal Energy Conversion
OBNOut-of-Band Noise (Intelsat)
OIOrbiter Instrumentation
OMIOpen Messaging Interface [Lotus]
OOOout of the office
OTWon the way
OFSObject File System [Microsoft] Output Field Separator
OMFGOh My F***ing God
OTLout to lunch
OHICoh I see
OLEDOrganic Light Emitting Diode
OSWOut-band Service Word
OPALOutstanding Philanthropic Award For Leadership
OROther Ranks
OSSDOntario Secondary School Diploma
OREOBlack on the outside white on the inside
OMEOpen Messaging Environment (protocol)
OETOffice of Educational Technology
OMTOrthopaedic Manipulative Physiotherapist
OPLUppal
OMOOpen Market Operations
OTOHOn The Other Hand ...
OSAPOberlin Sustainable Agriculture Project
OGTO-linked N-acetylglucosamine (GlcNAc) Transferase
OLTCOptical Line Terminal Controller
OCTObject Code Technology
OCBOverseas Corporate Bodies
OUIOrganizationally Unique Identifier
OHUOccupational Health Unit
OIEOffice International des Epizooties
OCFCOrganizing Committee Finance Committee
OHTOne Handed Typing
OPENGLOpen Graphics Language (Silicon Graphics)
OGOOrbiting Geosurvey Observatories
OWASPOpen Web Application Security Project
OHLOffice Hours Live
OXFAMOxford Committee for Famine Relief
OBS.observed
OSSPObject Serialization Stream Protocol
OTIon the internet
ODSTOrbital Drop Shock Trooper (Gaming)
OMPOperations and Maintenance Plan
OHNOEZOh no
OWAOccupational Work Adjustment
OPEXOperating Expenditure on a recurring annual basis
ODUOutput Display Unit
ONUOptical Network Unit
OHBOverhead Byte (MUX)
OTDOn The Dot
OEOperator Error
OJOnly Joking
OC-192Optical Carrier Signal | Level 192 (9.952 Gbps)
OPRPOffice of Physical Resources & Planning
OSSSOffice of Student Support Services
OVDOptical Video Disk
OGDOesophago-Gastro-Duodenoscopy
ORTOral Rehydration Therapy
OGPOffice of Global Programs
OODOrganizational Operations and Maintenance Manual
ODROptical Document Recognition
OGPAOverall grade point average
ORAOrganizational Research Analyst
OHFOccupational Health Facility
OHAOverhead Access (MUX)
OEPOperand Execution Pipeline
OVAover
OUOpen University
OADOpen Architecture Driver [Bernoulli]
OSHAOccupational Safety and Health Act
OCPOutput Control Pulse
ORMOccupational Risk Management
OCLCOhio College Library Catalog
OBEOutboard Booster Engine
OSGIOpen Source Gateway intiative
OBAOxygen Breathing Apparatus
OBRObradam
OS-2IBM graphical operating system
OEAOffice of
OSDMOptical Spatial-Division Multiplexing
ODGoh dear God
ODXOccular Dynamic eXperiment
OMAObject Management Architecture
OFIOther Financial Institutions
OKSApproves
OOTBOut Of The Box / Out of the Blue
OCLOperation Control Language Operator Control Language
OESOther Error Sources
OBIEEOracle Business Intelligence Enterprise Edition
OTFLon the floor laughing
OAFObject Activation Framework
OPWOn-Premises Wiring
OSINETOSI Test Network
ORDOperational Readiness Demonstration
OTCEIOver the Counter Exchange of India
ONOperational Navigation
OOWOn our way
OVPOrganic Vegetable Production
OCCObscure Canon Character
OSKOn Screen Keyboard
OATOperational Acceptance Test
OSLAOklahoma Student Loan Authority
OHYoh hell yeah
OHQOff-Hook Queue
OS/360IBM 360 operating system (1960s)
OASISOld Age Social and Income Security
ODDSOptical Discrimination Evaluation Study
OLEDBObject Linking and Embedding Data Base
OIFInternational Organization of the Francophonie
OWLObject-Open Windows Library [Borland]
OVOverflow
OIDObject Identifier
OFOverflow Flag
ORIFOpen Reduction Internal Fixation
OGSOxygen Generation System
OCEOpen Collaborative Environment [Apple]
OOKOn-Off Keying (modulation)
OPPOrder Pizza for Programmer
OPPIOrganization of Pharmaceutical Producers of India
OCSPObsessive Compulsive Service Processor
OABOne-to-All Broadcast
OHWOne Hit Wonder
OELOrganic Electro luminescent (display technology)
ONOOr Nearest Offer
OAUOrganization of African Unity
OPOOrder Pizza for Operator
OITOffice Of Information Technology
OMWon my way
ORNOh Really Now
OSLTor something like that
OPCWOrganisation of Prevention of Chemical Weapons
OOPCout of programme for career break
OS-EOperating System-Environment
ODATAWorking Symposium on Oceanographic Data Systems
OHAMOrbital Height Adjustment Maneuver
OWOrder-Wire (signaling circuit)
OVMOpen Verification Methodology
OLTSOptical Loss Test Set
OCAOlympic Council of Asia
OOEObject-Oriented Engineering
ONCOpen Network Computing [Sun]
OOover and out
OAREOrbital Acceleration Research Experiment
OOLObject-Oriented Language
OCC.occupation
OBOor best offer
OUCOhio University - Chillicothe
OPSSOntario Provincial Standard Specification
OKCOdontogenic KeratoCyst
OOFObject Oriented Finite
OSERAOhio Scientific Education & Research Association
OGVOxygen Gage Valve
OFDMOrthogonal Frequency Division Multiplexing
OWSOccupational Wage Surveys
ORCADOregon + CAD
OMLOutside Mold Line
OWTOut
OHIOverhead Interface
OHZOhrenschmerz ( English translation = Ear Pain)
OCGOperational Coordination Group (ETSI)
OCCOOffice of the Chief Clinical Officer
OAAOpen Agent Architecture (new interface architecture for human/PC interaction including hand written- typed - and spoken commands - being developed by SRI International)
OMFObject Management Framework
OMVOxygen Manual Valve
OC-3Optical Carrier Signal | Level 3 (155.52 Mbps)
OOBout of buisness
OCACOdisha Computer Application Centre
OKAYObject Kit Across Yaml
OFDOffice of Fuels Development
OHSSOvarian HyperStimulation Syndrome
OGWoh guess what
OASDIOld Age and Survivors Disability Insurance
ORHOddarahalli
OEICOpto-Electronic Integrated Circuit
OIHOffice of International Health
OAGOfficial Airline Guide Online Air Guide
OHSUOregon Health & Science University
OXY- WATEROxygenated Water
OSPE 2 XXObjective structured practical examination Part 2
OFAOffice of Flight Assurance
O-T-Cover-the-counter
OLRTOrganic Lateharvest Regional Trial
ONDJournal of Aerospace Science
OFCOLoh for crying out loud
OAUTHOpen Authentication
OBLOperational BaseLine
OHCIOpen Host Controller Interface
OMSPOperational Maintenance Support Plan
OBIOpen Buying on the Internet Consortium (standards)
OLLonline love
OOCout of character
ORIOnline Retrieval Interface
OFBOutput Feedback (mode)
OSIFGToh shit i forgot
OSTAOptical Storage Technology Association
OHNOptical Nerve Head
OOTWOut Of This World
OOTOOut Of The Office
OCNOrder Control Number
OMDZOh My Days
ORLOto RhinoLaryngologist
OHKOOne Hit Knock Out
OMDGoh my dear god
OBEXObject Exchange [Borland]
OFNDocument (MS Office)
ONTCOpen Networks Technology Consortium
OVOObviously
ODBMSObject-Oriented Database Management System
OMUOptical Measuring Unit
OFMOriginal Equipment Manufacturer
OARon a roll
OPGWOptical Ground Wire
OSCIOne Stroke Certified Instructor
OPQOccupational Personality Questionnaire
OTHOver-The-Horizon (microwave)
OBXOuter Banks
OLFOrbiter Lifting Frame
OEIObesity Education Initiative
OCRIOttawa Center for Research and Innovation (Canada)
ORLYOh Really
ONCOOffice of NOAA Corps Operations
OSRAOsra
ODIFOpen Document Interchange Format
ODBOperational Data Book
OBTWoh
OEQOcean Ecology Quotient
OLPCOne Laptop Per Child
OPOSOLE (Object Linking and Embedding) for Point Of Sale
OHRUOpen Heart Recovery Unit
OC-256Optical Carrier Signal | Level 256 (13.271 Gbps)
ORCIDOpen Researcher and Contributor ID
OSSIOpen Source Software Institute
OSCAObjective Structured Clinical Assessment
OLSOrganizational Leadership And Supervision
OSJOcean Science Journal
OLOOther Licensed Operators
OF10often
OHRROpen Heart Recovery Room
OSPFIGPOpen Shortest Path First Internet Gateway Protocol
OBUOn-Board Unit
OOP-EDObject Oriented Programming / Event Driven
OFTPCoff topic
ONMSOptical Network Management System
OZOunce
OALOem Adaptation Layer
OSIRMOSI Reference Model
OVSOpen Video System
O.P.D.once per day
OSS7Operator Services Signaling System Number 7
ONMOh Never Mind
OGAOuter Gimbal Axis
OS2Operating System/2
OFTCout for the count
OICWYDToh
OSUObservational Stimulation Unit
OYEListen up
ONEOver Nearly Everyone
OGNLObject-Graph Navigation Language
OYoh yeah
OQOf Quickness
OSAAOperational Satellite Active Archive
OHAIOh Hi
OOBEOut Of Box Experience
OSI-SDOpen Systems Interconnection-Service Definition
ORROrr
OBFOrdering and Billing Forum
OHTEXOcean Heat Transport Experiment
OTOOne-Time-Only (memory)
OMXObjectMetrix Estimation Process
OTKOver The Knee
OLROff Line mail Reader
OMBOffice of Management and Budget
OAOOffice of Advanced Research and Technology
OHACOwn House And Car
OTFCUon the floor cracking up
ORUOrbital Replacement Unit (remote sensing)
OTNOncology Therapeutics Network
ORKUTGoogle's social network
OOPLObject-Oriented Programming Language
OSOOther Significant Other
OGKOnly God Knows
OSCROncology Symptom Control Research
OURSOpen Users Recommended Solutions
OTFCOral Transmucosal Fentanyl Citrate
OBVobviously
OMJoh my jesus
OOIOut Of Interest
OMC-INOperations and Maintenance Center for Intelligent Network
OCFObjects Components Framework [Borland]
OPFOrbiter Processing Facility
OAIOpen Applications Interface
OQAOregon Quality Award
OSSAOffice Of Space Science And Applications
ONAOpen Network Architecture (Bell packet networks)
OMGDOh my gosh dude
OBPOn-Board Processing (Intelsat)
OCUObjective C Use
OICUoh
OCRMOrbiter Crash and Rescue Manuals
OBEROffice of Biological and Environmental Research
OVFOverflow
OC-12Optical Carrier Signal | Level 12 (622.08 Mbps)
ODSIOpen Directory Service Interface [Microsoft]
OSPE 1 XXObjective structured practical examination Part 1
OHGVTOrbiter Horizontal Ground Vibration Test
ORAMOrganisational Readiness Assurance Model
OV1Overlay file (part of program to be loaded when needed)
OV2Overlay file (part of program to be loaded when needed)
OCGGOh Crap
OSCHROffice for Strategic Co-ordination of Health Research
OP MODELOperations Model
OSECOnSite Electrolytic Chlorination
OFTNoften
OODBObject-Oriented Database
OSF1Open Software Foundation version 1
OMGNYoh my god no way
OSPSOperator Services Position System (AT&T;)
OBOOr Best Offer
OLEVOrbital Life Extension Vehicle
OSPFWOnline Service Portal FrameWork
OSNSOpen Systems Network Support
OEDOxford English Dictionary
ORIONOcean Research Interactive Observatory Network
OSGPOhio Supercomputer Graphics Project
OHRRPGCEOfficial Hamster Republic Role Playing Game Construction Engine
OWWOops
OLTLOne Life To Live
OHEROffice of Health and Environmental Research
OWNBeat dominate (gaming)
OBJECTPALObject oriented Program Application Language (Bundled with Borland/Paradox/Corel)
OSSNOriginating Station Serial Number
OSDPDOffice of Satellite Data Processing and Distribution
OIDIAoops i did it again
OADMOptical Add-Drop Multiplexer (MUX)
OAEOhio Award for Excellence
OBITObituary
OTFLOLon the floor laughing out loud
ORIGINOutcome Reduction with an Initial Glargine Intervention
OLBOpen Liver Biopsy
OSTPOffice Of Science And Technology Policy
OMPSOzone Mapping and Profiler Suite
OFROffice of the Federal Register (U.S.A.)
OCTGOil Country Tubular Goods
OMGTYOh my god thank you
OROExpression of confusion
OPSNOpen Packet Switching Network
OFUOhio Farmers Union
OC-18Optical Carrier Signal | Level 18 (933.12 Mbps)
OMGSHoh my gosh
OMFSOral and MaxilloFacial Surgeon
OSNLROcean Science in Relation to Non-Living Resources
OGTTOral Glucose Tolerance Test
OPAMPOPerational AMPlifier
OFDIOptical Frequency Domain Imaging
OKAOkhla
OSPMOperating System Directed Power Management
ODTAAone damn thing after another
OEBOrganismic and Evolutionary Biology
OPPAOlder brother
OIAOrbiter Interface Adapter
ODMGObject Database Management Group
OWKOther World Kingdom
ODMAOpen Document Management API
OMGZoh my God
OC-36Optical Carrier Signal | Level 36 (1.866 Gbps)
ONDSOpen Network Distribution Services [IBM]
OWNZowns
OHVAOff-Hook Voice Announce
OSRIOperating System Re-Installation
OECOOrganisaton for Economic Co-operation
OSPHEObjective Structured Public Health Exam
OMHGoh my hell god
OGNOnline Gaming Network
OMGUKKoh my god you killed kenny
OIYHey
OC-9Optical Carrier Signal | Level 9 (466.56 Mbps)
OMGGOh my gosh girl
ODTROffice of the Director of Telecommunications Regulation (Ireland)
OSI-TPOpen Systems Interconnection-Transport Protocol
ORCAOccupational Researcher's Computer Assistant
ORISOffice of Research Information Services (UW)
OOSEObject-Oriented Software Engineering
ODAPIOpen DataBase Application Programming Interface
ODAYsoftware illegally obtained before it was released
ONPOpen Network Provision
OLIOptical Line Interface [AT&T;]
OIDLObject Interface Definition Language
OICICoh i see i see
OLD LADYWife
O1H ... O2H ... O3H ... O4H ... O(AD INFINITUM)Hon (the) one hand ... on the other hand ... then (there) again ... (adverb).
OFEOffice of Field Experiences
OJSUOh
OSI-SMOpen Systems Interconnection-System Management
OCBCOakland Cannabis Buyers Cooperative
OOOSObject-Oriented Operating System
OCOOven Controlled Oscillator
ODINOrbital Design Integration
OOUIObject Oriented User Interface
OMEGAOpen Multi Environment Grid Adapter
OOAOut Of Ammo
OBQOh Be Quiet
OAPNAOrganization of Asia and Pacific News Agency
OPKOpen Product Key
OIROperations Integration Review
OCALCOklahoma City Air Logistics Center
OSMRoncostatin M receptor beta
OTSROptimum Track Ship Routing
OLRXOrthotopic Liver Transplantation
OLNSOriginating Line Number Screening
OMANLEOS Summer Topical on Optical Multiple Access Networks
OKHAOKHA
OLTEOptical Line Terminal Equipment
OIVOxidizer Isolation Valve
OSSVOpen Systems SnapVault
OFSAAIOracle Financial Services Analytical Applications Infrastructure
OTYOver To You
OADBOpen Architechture Data Base (like supporting standards like SQL)
OCLOCKO shaped clock
OXOxide
OPPSOutpatient Prospective Payment System
OOROccupational Outlook Report
OLKAddress book (MS Outlook)
OVQObjective measurement methodologies for perceptual Video Quality
OM-1Open MPEG Consortium
OINOINtment
OTAROver-The-Air Rekeying
OOMDObject Oriented Modeling and Design
OOMOut of mana
OUCHInterjection said when experiencing pain
OMGNoh my goodness
OIBMPCoops I broke my computer
OLEMOrbital Life Extension Maneuver
OEXOrbiter Experiments
OSIEOpen Systems Interconnection-Environment (ISO)
OBVIobviously
OTAKUObsessive fan
OC-1Optical Carrier Signal | Level 1 (51.84 Mbps)
OWNTmade to look bad
OSTIOffice of Scientific and Technical Information
OPXChart (MS Organization)
OPNActive options (Exact)
OFCPOptical Fiber Conductive Plenum
OKEY DOKEYOK
OS/2Operating System version 2 (IBM)
OIYDOnly In Your Dreams
OTTFFOne Two Three Four Five
OGIMOh God It's Monday
OIAPObject-Independent Authorization Protocol
OGUOsaka Gakuin University
ON9Stupid (Chinese)
ODS ACCESS DATABASE XXOrganisation Data Service Access Database
OTQOutgoing Trunk Queuing
OATSOsteochondral Autograft Transfer System
ONTDOh No They Didn't
OANOptical Access Node
OTPROMOne Time Programmable Read Only Memory
ODAATOne Day At A Time
OPSYSOperating System
OUTBOXOutgoing mails box (e-mail)
OKTOktalyzer 8-channel Music format
OOMFOne of my followers
ODLCOptimum Data-Link Control (protocol)
OPARSOld Post Amateur Radio Society
OYWOutstanding Young Wilmingtonian
ODTSOverseas Doctors Training Scheme
OILSOpen Integrated Learning System
OCCSOff Campus and Commuter Services
OAVObject Attribute Value
OVTOptical Video Technician
OFMTOutput Format for Numbers
OTXObject Tool eXtended
ODESOrbit Determination Facility
OCPDObsessive Compulsive Personality Disorder
OAMPOklahoma Agriculture Mediation Program
OONObject Oriented Notation
OCTOOncology Clinical Trials Office
OGMTOrbiter Greenwich Mean Time
OC-48Optical Carrier Signal | Level 48 (2.488 Gbps)
OVSFOrthogonal Variable Spreading Factor
OVERopen versus endovascular aneurysm repair
OMGIHOh My God In Heaven
OPTISOLATORoptically coupled isolator
OKIESOkay
OLRUOptical Line Regenerating Unit
ODISOceanographic Data Interrogating Station
OWNEDmade to look bad
ONIOptical Network Interface
OASTOffice of Aeronautics and Space Technology
OPBOptical Power Budget
OPPVOrder-ahead Pay Per View (pay TV)
ODS CODESOrganisation Data Service codes
OMNSOpen Network Management System
OMC-SOperations and Maintenance Center for Switching
OCRFOvarian Cancer Research Fund
OUTSOutput String
OFKOptical Flight Kit
OB/GYNObstetrics and Gynecology
OBTWOh By The Way
OTOMHOff the Top of My Head ...
OCPSOral Contraceptive Pills
OKIOkey Dokey OK
OFDMAOrthogonal Frequency Division Multiple Access
OPEBOther Post Employment Benefits
OWAYSoh wow are you serious
OMMOrbiter Major Modification
OMSSOpen Market Sale Scheme
OBSSOrbiter Boom Sensor System
OIBOrbiter Interface Box
OMRCOperational Maintenance Requirements Catalog
OLAMOn-Line Analytical Mining
OOJObject Oriented Javascript
OMHOnline Marketing Hero
OMGGMOh My Goodness Gracious Me
OYMOutstanding Young Michiganian
OMC-ENVOperations and Maintenance Center for Environment
ORXNon-Prescription Medicine
OOMROut-of-Module Reference
OMNOculomotor Nerve
OGSIOpen Grid Services Infrastructure
ONACOperations Network Administration Center
OUVOver/Under Voltage
OYROh Yeah Right
OFFEROrganic Food And Farming Education And Research
OLSAOrbiter Logistics Support Plan
OWUOhio Wesleyan University
OXSObjective Crystal Spectrometer
ORNLOak Ridge National Laboratory
OWLINGCrouching and staring like an owl
OTTEROregon Transect Ecosystem Research
OTJTOn the Job Training
OWFObserver Window bird Feeder
OTRROffice of Therapeutics Research and Review
OBNMOut-of- Band Network Management
OAI-PMHOpen Archives Initiative Protocol for Metadata Harvesting
OASPLOverall Sound Pressure Level
OIDBOil India Development Board
OEPAFOdessa Emergency Providers Achievement Fund
OMDBOver My Dead Body
OFWGKTAOdd Future Wolf Gang Kill Them All (rappers)
OWNZERone who makes others look bad
OMAPOpen Multimedia Applications Protocol (Texas Instruments)
OPENDOCOpen Document file system (MAC/Apple- and NT-40 terminology for FAT that will allow the 2 to share files)
OORDBMSObject-Oriented Relational DataBase Management System
OWMOrder-Wire Message
OMUXOutput Multiplexer
ODEPROptical Detected Electron Paramagnetic Resonance
OMGINBDOh my God
OOXOophorectomy
ONNTAOh No Not This Again
OCXOOven-Controlled Crystal Oscillator
OYIOutstanding Young Investigator
ONLOnline
OAPECOOrganisation of Arab Petroleum Exporting Countries
OBVPObulavaripalli
OOBMANOut of band Manager
OMISSOperation and Maintenance Instruction Summary Sheet
ODCMOff-site Dose Calculation Manual
OOFTSound made when impressed by something
OOSMObject- Oriented Systems Modeling
ONTOOntology
ONVOpenNet View
OISROpen Item Status Report
ORDANIH Office of Recombinant DNA Activities
OFTELThe Office of Telecommunications (U.K.)
OFHROil Filled Heat Radiator
OEOOptical-to-Electrical-to-Optical regeneration
OCLVOptimum Compaction Low Void
ODINSUPOpen Data-link Interface/Network Support (networking)
OWNZORZOwned
OVPQOffshore Vessel Particulars Questionnaire
OPSUOklahoma Panhandle State University
OGSA-SEC-WGOpen Grid Services Architecture Security Working Group
OBCSOnboard Checkout Subsystem
ORZFrustration despair
OMC-ROperations and Maintenance Center for Radio
OPSOSAOPeratore SOcio SAnitario
OGCMOcean General Circulation Model
ONS FORMAT XXOffice for National Statistics format
OFTAOffice of the Telecommunications Authority (HongKong)
OAMSOrbiter Ancillary
OLLGOne Less Lonely Girl
OMEROptical Music Easy Reader
OFJObjectivity For Java
OBICOptical Beam Induced Current
OC-NOptical Carrier level n
OPTISOverlapped Phase Trellis-code Interlocked Spectrum
OIKUnpleasant unpopular person
ORTHOPHOSOrthophosphoric Acid
O$$Outfile (Sprint)
OLTCAOntario Long Term Care Association
OUJThe Open University of Japan
OOS-AUOut Of Synchronization - Autonomous Unit
OOTUOrigin Of The Universe
OBEMObject-Based Equipment Model
OIVSOrbiter Interface Verification Set
OGSFOutside Gross Square Footage
OTGROperations Technology Generic Requirements
OBSAIOpen Base Station Architecture Initiative
OLOWOrbiter LiftOff Weight
OVSPOffset-source Vertical Seismic Profile
OQSOccupied Quantum State
ODASOnboard Data Acquisition System
OTDSOverall Trade-distorting Domestic Support
OFITOptical Fiber Installation Tester
OFDPSOffshore Flight Data Processing System
OAMTOperations Administration and Maintenance Terminal
OMJCOh My Jesus Christ
OC-24Optical Carrier Signal | Level 24 (1.244 Gbps)
OTTHOn The Third Hand
OFFOObjects For Formatting Objects
OVTGOptical Virtual Tributary Group (SONET)
OOPEout of programme for experience
OZDOZ Debugger
OCVCXOOven-Controlled/Voltage-Controlled Crystal
ONBOlfactory Neuroblastoma
OGREObject-oriented Graphics Rendering Engine
OCRDOcean Climate Research Division
OLIUOptical Line Interface Unit
OCCAMOcean Circulation and Climate Advanced Modelling
OIDAOptoelectronics Industry Development Association
OLEROrbital Life Extension Rocket
OPEVALOperational evaluation
OFCCOffice of Federal Contract Compliance
OPIPOutput Power Intercept Point (microwave)
ODCDROperational Data Delivery Services
OICETSOptical Inter-orbit Communications Engineering Test Satellite
OICANOrthopaedic International Clinical Audit Network
OTASPOver-The-Air Service Provisioning
OFTPOdette File Transfer Protocol
OWROffice for Women's Research
OPDAROptical radar
OLGFOn- Line Grants Facility
OCWNOrange County Wireless Network
OOPTout of programme for clinical teaching
OMC-WANOperations and Maintenance Center for Wide Area Network
OLMCOutput Logic Macrocell
ORACoxygen radical absorbance capacity
OT3One True Threesome
OCTSOcean Color And Temperature Scanner
OUTTAOut Of
ODMROn Demand Mail Relay
OTKSLOne Time Key Subsidy Lock
ORSAOperations Research and Systems Analysis
OBS & GYNAEObstetrics and Gynaecology
OBWROn-Board Waveform Regenerator (Intelsat)
OLD BAGGrumpy old woman
OFFAOffice for Fair Access
OCIROvercoat Incident Recording
OCNAOvarian Cancer National Alliance
OERDOcean Environment Research Division
OMHOOffice Of Mental Health Ombudsman
OOYLOut Of Your League
OVWHP OpenView for Windows
OEMPOffice of Environmental Monitoring and Prediction
OULOhio University - Lancaster
ODBEObject Data Base Extractor
ORBIStock Ticker Symbol For OSC
OPECCOutpatient Pharmacy Electronic Claims Coordinator
OMRSOperations and Maintenance Requirements Specification
OASCBOceanic and Atmospheric Scientific Information System
OPSLOld Plank Sonic Laboratories
OMPTObserved Mass Point Trajectory
OAO3Orbiter Avionics System
OCSEAPOuter Continental Shelf Environment Assessment Program
OPBOOutput Power Back-Off
OFAYOffensive term for a white person
OALOSOffice for Ocean Affairs and the Law of the Sea
OBVZObviously
OBVYObviously
OWSTOpen Water Spill Team
OMFSMOh My Flying Spaghetti Monster
OLIDSOpen Loop Insulin Delivery System
OMGOSHOh my gosh
OFXOpen Financial Exchange
OSLISOregon School Library Information System
OOSPObject Oriented Software Process
OTCDOrganizations of Turkic Cooperation and Development
OCMOOffice of the Chief Medical Officer (Wales)
OAFTOOgden Air Logistics Center
OAMEOwn Account Manufacturing Enterprise
OCUROpencable Unidirectional Receivers
OIO&T;Ohio Institute of Photography and Technology
OTTOMHOff The Top Of My Head
OMGEOrganisation Mondiale De GastroEnterologie
OVIDObject View and Interaction Design
OEMTObject Exchange Model Template
OFCCPOffice of Federal Contract Compliance Programs
OYFAOutstanding Young Farmer award
OCSIOlds College School of Innovation
OFNPOptical Fiber Non-conductive Plenum
ORAIORAI
OLDFAGLong established member of an online community
OOREOperations Order Review
OVNOOr Very Near Offer
OMFUoral and maxillofacial unit
OMNI XXOrganising Medical Networked Information
OVPAOpen View Performance Agent
OOCMObject-Oriented Call Model
OWNMOh Well Never Mind
OCASTOklahoma Center for the Advancement of Science and Technology
OOS-AUMAOut Of Synchronization - Autonomous Unit - Manual Override
OFCROptical Fiber Conductive Riser
OPMASOncology Patient Management Audit System
OUOOfficial Use Only
OCDSObsessive Compulsive Drinking Scale
OOTFOffice of the Future (UNC)
OTIAOffice of Telecommunications and Information Applications
ODBMGObject Data-Base Management Group
OTOHOn the Other Hand
OMC-TOperations and Maintenance Center for Transmission
OTEPPOccupational Therapy examination and practice preparation project (Canada)
OMC-MISCOperations and Maintenance Center for Miscellaneous purposes
OTAMOver-The-Air Management (HF network nodes)
OLXTOffice Live Extended Technologies
OBSNOptical Burst Switching Network
OUTSWOutput Word String to Port
OPSEC-SOperational Security Survey
ORTHOrthopedics
OCUDPOffice Channel Unit Data Port
OBFLWOutgoing Breakpoint Forced Long Wave
OPLINOhio Public Library Information Network
OODPMObject Oriented Design by Prototype Methodology
OOSDPOcean Observing System Development Panel
OUHSCUniversity of Oklahoma Health Sciences Center
OVCBIPROhio Valley Center for Brain Injury Prevention and Rehabilitation
OMYoh my!
OTAPAOver-The-Air Parameter Administration
OPHTHOphthalmology
OADAorder-of-acquisition diffusion analysis
ODAPSOceanic Display and Processing Station
OOJAObject-Oriented Japanese Analysis
OAMLOceanographic and Atmospheric Master Library
OVQMSObjective Video Quality Measurement System
O.S.left eye (ocularis/oculus sinister (Lat.)
OPANOccam Packet Access Network
OK-QPSKOffset-Keyed QPSK (modulation)
ONOEZoh no
OLEDSObject Linking and Embedding Directory Services
OPLLOptical Phase-Locked Loop
OLOSObstructed-Line-Of-Sight (transmission)
OWQPOptimal Water Quality Parameters
OESSOrbiter ET Separation Subsystem
OPLTOperational Acceptable Level of Traffic
ONE OFFHappened Once
OFNEOxygenated Fluorocarbon Emulsion
OOASWest African Health Organization
OLIFOrbiter Landing Instrumentation Facilities
OMISOperational Management Information System
OFHCOxygen Free High Conductivity
OFCHOil-Fired Central Heating
OPSUMOPerational SUMming amplifier
OYJOutstanding Young Journalist
OVMAOhio Veterinary Medical Association
ONNAOh No Not Again
OWOAOne Way Or Another
OC-96Optical Carrier Signal | Level 96 (4.976 Gbps)
OPSECOpen Platform for Secure Enterprise Connectivity
OBVSObviously
OACESOceanAtmosphere Carbon Exchange Study
OOBLout of breath laughing
OSSTMMOpen Source Security Testing Methodology Manual
OOVObject Oriented Verification
OYIDoh yes i did
OQWOperation Quality Wheat
OACSUOff-Air Call Setup (GSM)
OFSCFCOptical Fiber Cable and Solar Cell Fabrication Company (Iran)
OAFDOrbiter Atmospheric Flight Test Office
OWSEOperational World Weather Watch Systems Evaluation
OXROrthochromatic Medical X-ray Film
OXYCOD TEROxycodone Terephthalate
ODENDOptical Detected Electron Nuclear Double Resonance
OPSWOntology Pattern for the Semantic Web
OFOCOverwhelming Feelings of Concern
OXYOxyContin (or
OMGAOh My Giddy Aunt
OSI-RMOpen Systems Interconnection-Reference Model (ISO)
OXLL-4-Oxalysine
OUTSBOutput Byte String to Port
ONBTOffice of Naval Research
OFAROn Farm Adaptive Research
O2 SATOxygen SATurated hemoglobin
OBGJFIOYOold but good job finding it on your own
OFHOld Folks' Home
ODCBorthodichlorobenzene
OFCMOffice of the Federal Coordinator for Meteorology
OANSOrbiting Astronomical Observatory
OFGSOh For God's Sake
OISSPOffice of Interim Space Station Program
O:)Innocent angelic
OPS/INEOPerations System/Intelligent Network Element
OESOOccupational & Environmental Safety Office
ORANOOp
ONUDoh no you didn't
OCMDOffice Of Communication Management And Development
OOMMOrbittoOrbit Stage
OFBGOptical Fiber Bragg Grating
OAOAover and over again
O-Mopsoclonus-myoclonus
OODPOut of Position
OCDUOptics Coupling Data Unit
OUEOffice of Undergraduate Education
OCDROrbiter Critical Design Review
OLPAOffice of Legislative and Public Affairs (National Science Foundation)
OISSOffice for International Students and Scholars
ONOZoh no
OMVPEOrgano-Metallic Vapor Phase Epitaxy
ONCEOdd North Central Even
OFNROptical Fiber Non-conductive Riser
OP-TDLASOpen Path Tunable Diode Laser Absorption Spectroscopy
OVPOOutside Vapor Phase Oxidation process (optical fibers)
ONSDoptic nerve sheath diameter
OFTDSOrbital Flight Test Data System
OUGSOffice of Under- Graduate Studies
OMC-MOperations and Maintenance Center for Mobile
OAOTOrbital Astral Observatory Technologies
OLOYOnly Losers Obey Yolo
OMEPOffice of Minority Engineering Programs
OASLMSOklahoma Association of School Library Media Specialists
OVCSTOvercast
O.U.oculus uterque - both eyes
OCIDOnline Chemical Inventory Database
OCMBOberlin College Marching Band
OOAKOne Of A Kind
ORITEAlright hello
ORDIGOpen Regional Dialog on Internet Governance
OTOOHOn The Other Other Hand
OBDHOn Board Data Handling
OILLSOnline Inter-Library Loans System
ODALOmnidirectional Approach Lighting System
OEASOrbital Emergency Arresting System
OTAYOkay
OCDMAOptical CDMA (access)
OPSKOld Pratumnuk SuanKularb
OCEANAVOceanographer of the Navy
OTLTAOne Thing Led To Another
OMDPOrbiter Maintenance Down Period
OLTUOptical Line Terminal Unit
OBHWFOne Big Happy Weasely Family
OJDObsessive Jonas (Brothers) Disorder
OLEPOffice of Law Enforcement Programs
OPBSOne-Piece Building Specifcation
OM NOMSound of eating
OMGWTFOh My God What The F***
OFPOrbiter Flight Program
OJBObJectRelational Bridge
OFDSOxygen Fluid Distribution System
ODRANOperational Drawing Revision Advance Notice
OARTOrbiter Atmospheric Simulator
OMFUGOther Music Found UnderGround
OBDDOrdered Binary Decision Diagram
OOSOOMOut Of Sight Out Of Mind
OIOSOffice of Internal Oversight Services
ONBDOrbiter Neutral Buoyancy Trainer
OMEFOhio Medical Education Foundation
OFTROrbital Flight Test Requirement
OCUAOntario Council on University Affairs
OBBYOh Baby
OWTTEOr Words To That Effect
OQPSKOffset Quadrature PSK (modulation)
ODCSOPSOffice of the Deputy Chief of Staff for Operations
ORFEUSOrbiting And Retrievable Far And Extreme Ultraviolet Spectrometer
ONEROceanic Navigational Error Report
OOTAPOperator Outreach Technical Assistance Program
OVALOhio Valley Area Libraries
OECVOverall Error Coefficient of Variation
OCQAOttawa Chow Qigong Association
OOMLOut Of My League
OAWOffairway Weather Station
OOPRout of programme for research
OMRSDOperations and Maintenance Requirements and Specifications Document
OAUSOn An Unrelated Subject
OCPAROptically-Controlled Phase-Array Radar
ODAROffice of Development and Alumni Relations
OCSABOuter Continental Shelf Advisory Board
ORPTROptical Repeater
O&G;Obstetrics and Gynaecology
OPENDAPOpen-source Project for a Network Data Access Protocol
OLTEPOn- Line Test Executive Program
OR8Oracle 8 database model report (Rational Rose Oracle8)
OALCOrbital Attitude and Maneuvering System
OQHOnline Quiz Hell
OAM&P;Operations | Administration | Maintenance and Provisioning
OXCOptical Cross-Connect
OPAGOpen Programme Area Group
OFTMOnOrbit Flight Technique Meeting
ORBCOMMOrbital Communications Corporation (company)
ONYDoh no you didn't
OUTSDOutput Doubleword String to Port
OLECOriginating Local Exchange Carrier
OARGOsteoporosis And Arthritis Research Group
ONALOff-Network Access Line
OLEIOak League Education Institute
OODROut Of Plane Spectrometer
OPSQOffice of Patient Safety and Quality
OCSTOffice Of Commercial Space Transportation
OOTCObligatory On-Topic Comment
ORPRCOregon Regional Primate Research Center
OPSEC-AOperational Security Assessment
ORPGonline role playing game
OAZFax (NetFax Manager)
OMAFRAOntario Ministry Of Agriculture Food And Rural Affairs
OPCABOff-Pump Coronary Artery Bypass
OATUSOn A Totally Unrelated Subject
OMSJOh My Sweet Jesus!
OAINNOhio Aerospace Institute Neural Networks
OOYMout of your mind
OALTOperational Acceptable Level of Traffic
OMRPOperations and Maintenance Requirements Plan
OA&M;Operations | Administration and Maintenance
OPBHOutpatient Behavioral Health
OOHMout of hisher mind
OAMCOhio Agricultural and Mechanical College
OPRRObject Property Role Relationship
OMANTELOman Telecommunications Company (operator)
O2IObject-Oriented Interface
OUGHTAOught to
OVSMCOvine Vascular Smooth Muscle Cell
OELROverall Echo Loudness Rating
OXYCODOxycodone Hydrochloride
OKW/EOK What-Ever
OCIAOrganic Crop Improvement Association
OCGFOrganic Crystal Growth Laboratory Facility
OTDOAObserved Time Difference of Arrival (GSM)
OAVTOntario Association of Veterinary Technicians
OMATOperational Measurement and Analysis Tool
ORISEOak Ridge Institute for Science and Education
ORAUOak Ridge Associated Universities
OXPMicrosoft Office XP
OUTWATSOUTward Wide Area Telecommunications Service
ORRFOn-line Referral Request Form
OSSEOriented Scintillation Spectrometer Experiment
O/Wotherwise
OVZsterreichische Vereinigung zur Zertifizierung
OSRMOffice of Standard Reference Materials
O.D.Doctor of Optometry
OSFAOne Size Fits All
OMRFOrbiter Modification and Refurbishment Facility
OSPROptical Shared Protection Ring
O&E;Observation and Examination
OSMINEOperations Systems Modifications for the Integration of Network Elements
OYGOh Your God
OVM/JOpen-source Java Virtual Machine
OMRBOperating Material Review Board
OMSFOffice of Manned Space Flight (now OSTS)
OMABObject Management Architecture Board
OMWTSon my way to school
OMGYG2BKoh my god you got to be kidding
OMDROperations and Maintenance Data Record
OSSIMAwesome
OSLRIntergovernmental Committee for Ocean Science and Living Resources
O-OShock
O-BANDOptical Frequency wavelength ranging from 1260 to 1310 nm
O&M;Operations and Maintenance
OMWHon my way home
OMZOxygen Minimum Zone
OSTGOpen Source Technology Group
O-ADMOptical Add-Drop Multiplexer (MUX)
OMSH-NOlaniba Memorial & Specialist Hospital-Nigeria
OCNMAPOcean Map
OMGZORSoh my god
OCTWOptical Communications Through The Shuttle Window
OYBOn Your Bike
OAPOEastern Pacific Tuna Fishing Organization
O:-)Innocent angelic
OMMHOrbiter Maintenance ManHours
OXOXOHugs & Kisses
O.P.osmotic pressure
OMSCOOrganic Milk Suppliers Cooperative
OMGNAOh My Gosh Not Again
OSTACOcean Science and Technology Advisory Committee
O&A;Odontectomy and Alveolectomy
OXON.Oxford (England) [Lat.]
O&O;Over and Out
O.R.N.Operating Room Nurse
OMPROperational Maintainability Problem Reporting
OMCFOrbiter Maintenance and Checkout Facility
O.OWide eyed
OZMOZone Machine
O RLYoh really
O/E(findings) on examination
O-QPSKOffset Quadrature Phase Shift Keying (modulation)
O/Poutput
OZCHIAustralian Conference on Computer-Human Interaction
O7Salute
O/Aold age
O/High five
O/ROriginator and Recipient (X.400)
OMG'Soh my god's
O/\OHigh five
O+IOutings and Innings
O_OConfused