O is an abbreviation for Ohio Oxygen
O & A is an abbreviation for Orbit and Attitude
O & C is an abbreviation for Operation and Checkout
O & M is an abbreviation for Operation and Maintenance
O & S is an abbreviation for Operation and Support
O and E is an abbreviation for Operations and Engineering
O and G is an abbreviation for Obstetrics and Gynaecology
O and M is an abbreviation for Organisation and Method
O/A is an abbreviation for Orbit/Attitude
o/c is an abbreviation for overcharge
O/D is an abbreviation for Operational Difficulty
O/P is an abbreviation for Output Power
OA is an abbreviation for Office AutomationAugmentation Anonymous
OAB is an abbreviation for Outer Air Battle
OABM is an abbreviation for Outer Air Battle Missile
OAC is an abbreviation for Orbiting Astronomical Observatory
OALC is an abbreviation for African Liberation Committee
OAMP is an abbreviation for Optical Airborne Measurement Program
OAMS is an abbreviation for Orbital Attitude and Manoeuvring System
OAO is an abbreviation for Orbiting Astronomical Observatory
OAP is an abbreviation for Offset Aim PointOl Age Pension
OAPEC is an abbreviation for Organisation of Arab Petroleum Exporting Countries
OARS is an abbreviation for On-Focal-Plane Array Signal Processing
OART is an abbreviation for Office of Advanced Research and Technology
OAS is an abbreviation for Offensive Air Support
OASD is an abbreviation for Office of the Assistant Secretary of Defence
OASDI is an abbreviation for Old Age, Survivors and Disability Insurance
OASIS is an abbreviation for Operation Application of Special Intelligence System
OAST is an abbreviation for Office of Aeronautics and Space Technology
OASYS is an abbreviation for Obstacle Avoidance System
OAT is an abbreviation for Outside Air Temperature
OATS is an abbreviation for Office Automation Technology and ServicesAugmentation Target ScreenOrbit and Attitude Tracking Subsystem
OAU is an abbreviation for Organisation for African Unity
ob is an abbreviation for obiit (died)
OBA is an abbreviation for Open Broadcasting AuthorityBarrel Assembly Assault
obb is an abbreviation for obbligato
OBC is an abbreviation for Old Boys' Club Computer
OBCT is an abbreviation for Outside Broadcast Camera Team
OBDH is an abbreviation for On Board Data Handling
OBE is an abbreviation for Officer of the Order of the British Empire
OBI is an abbreviation for Order of British India
OBIFCO is an abbreviation for On Board In Flight Checkout
OBLI is an abbreviation for Oxford and Bucks Light Infantry
OBOGS is an abbreviation for On Board Oxygen Generating System
OBS is an abbreviation for Omni Bearing Selector
OBSS is an abbreviation for Operations Briefing Support System
OBU is an abbreviation for Oriental Boxing Union
OC is an abbreviation for Observer CorpsCandidate Canada
OCA is an abbreviation for Old Comrades' Association
OCarm is an abbreviation for Order of the Carmelites
OCart is an abbreviation for Order of the Carthusians
OCB is an abbreviation for Operations Coordinating Board
OCC is an abbreviation for Ocean Cruising Club
OCCM is an abbreviation for Optical Counter Counter-Measure
OCDE is an abbreviation for Organisation de Cooperation et de Developpement Economique
OCDM is an abbreviation for Office of Civil Defence and Mobilization
OCE is an abbreviation for Office for Co-operation in EducationOrbital Computations Engineer
OCF is an abbreviation for Officiating Chaplain to the Forces
OCFR is an abbreviation for Oxford Committee for Famine Relief
OCI is an abbreviation for Out of City Indicator
OCLC is an abbreviation for Online Computer Library Centre, Inc .
OCLI is an abbreviation for Optical Coating Laboratories, Incorporated
OCM is an abbreviation for Ocean Colour Monitor
OCO is an abbreviation for Object Code Only
OCP is an abbreviation for Operational Computer Program
OCPCA is an abbreviation for Oil and Chemical Plant Construction Association
OCPU is an abbreviation for Outer Circle Policy Unit
OCR is an abbreviation for Operational Concept ReviewCistercians (Reformed)
OCS is an abbreviation for Officer Candidate School
OCSO is an abbreviation for Order of the Cistercians of Strict Observance
OCST is an abbreviation for Office of Commercial Space Transportation
Oct is an abbreviation for Octavo October
OCTU is an abbreviation for Officer Cadet Training Unit
OCTV is an abbreviation for Open Circuit Television
OCU is an abbreviation for Office Channel Unit
OCXO is an abbreviation for Oven Controlled Crystal Oscillator
The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
©1993 - 2012 The Probert Encyclopaedia
Southampton, United Kingdom
Abbreviations
Actors
Research O & A
