Abbreviations & Acronyms Dictionary

Obesity
Obliterative bronchiolitis syndrome
Obscure
Observation
Observations
Observatory
Observe
Observe, Observer
Observed
Observer
Observer School
Observer, Observation
Obsolescence
Obsolescent
Obsolete
Obstacle
Obstetrical service
Obstetrician
Obstetricians
Obstetrics
Obstetrics, obstetrician
Obstruction
Obstructive bowel syndrome
Occlusion bodies
Ocean Baseline System
Ocean Bottom Seismograph
Off Balance Sheet
Off board Server
Office of Bank Supervision
Office of Biological Services
Office of Boating Safety
Office of Business Services
Ohdo blepharophimosis syndrome
Oil Bunker Surcharge
Old Backup Server
Old Black Spruce
Olfactory bulbs
Oligoclonal bands
Omni Bearing Select
Omni Bearing Selector
On-Board Simulation
On-Board System
On-line Business Systems
Online Book Store
Open Bidding Service
Open-Back Stationary
Operating Bases
Operational Bioinstrumentation System
Operational Biomed Sensors
Operational Biomedical Sensors
Operational Biomedical System
Optical Bench System
Optical boresight system
Optical Burst Switching
Optical bypass switch
Orbital Bombardment System
Orders of Battle System
Organic brain sydrome
Organic brain syndrome
Organic brain syndromes
Organisational Breakdown Structure
Organization Breakdown Structure
Organization Breakdown Structures
Organization of Bengali Students
Organizational Breakdown Structure
Osteoblasts
Otto Benecke Stiftung
Out-of-Band Signaling
Outdoor Base Station
Outward Bound School