All abbreviations and full forms starting with O

Browse 50 abbreviations beginning with "O".

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Abbreviation Full Form Category
O'CLOCKOf the ClockOthers
O'erOver (As in, "O'er yonder lay the green fields of home.")Others
O+IOutings and InningsOthers
O+OOffline Plus OnlineOthers
O+OOffline plus Online / O plus OOthers
O+OOnline and OfflineOthers
O-AMPOntario Automotive Modernization ProgramOthers
O-CONUSOutside Continental United StatesOthers
O-DayOff-Load DayOthers
O-EAO-flex Energy AbsorbingOthers
O-MOpsoclonus-MyoclonusOthers
O-MaSEOrganization-based Multi-agent System EngineeringOthers
O-NAVOnboard NavigationOthers
O-T-COver-The-CounterOthers
o. g.oben genanntOthers
o. Prof.ordentlicher ProfessorOthers
O.A.Order of AustraliaOthers
O.A.M.Medal of the Order of AustraliaOthers
O.C.G.A.Official Code of Georgia AnnotatedOthers
o.h.,qq.h.Omni hora, Quaque hora Every HourOthers
o.h.,qq.h.OMNIHORA,Quarahora Every hourOthers
O.M.D./D.O.MOriental Medical Doctor / Doctor or Oriental MedicineOthers
O.oConfusionOthers
O.OSurprised. Confused. Shocked.Others
O.O.D.Operations Officer of the DayOthers
O.P.Osmotic PressureOthers
O.P.D.Once Per DayOthers
O.R.N.Operating Room NurseOthers
O.S.left eye (ocularis/oculus sinister (Lat.)Others
o.s.oculus sinister - left eyeOthers
O.T.R.Occupational Therapist RegisteredOthers
o.u.oculus uterque - both eyesOthers
O/AOld AgeOthers
O/AOn AccountOthers
O/AOn AdmissionOthers
O/AOn ArrivalOthers
O/AOpen AccountOthers
O/AOperating AsOthers
O/BOn BoardOthers
O/BOnBoardOthers
O/BOperational BaseOthers
O/BOutboardOthers
o/boverboardOthers
O/CObserver/CollectorOthers
O/CObserver/ControllerOthers
O/COperations CriticalOthers
O/DOn DockOthers
O/DOverdriveOthers
O/D PLOld Dog PlaceOthers
O/D POOLOutDoor PoolOthers
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