Abbreviations & Acronyms Dictionary

O-acetyl-L-serine
O-acetylserine
Obstacle assessment surface
Obstacle Assessment Surfaces
Oceanic automation system
Offensive Air Support
Offensive Avionics Suite
Offensive Avionics System
Offfice of Applied Studies
Office Administration Services
Office Alarm System
Office Automation Software
Office Automation Subcommittee
Office Automation System
Office Automation Systems
Office of Accounting Services
Office of Administrative Services
Office of Aerospace Studies
Office of Aircraft Services
Office of Applied Studies
Office of Assistant Secretary
Office of Audit Services
Office of the Assistant Secretary
Ohio Academy of Science
Old Age Security
Oligoadenylate synthetase
Oligoadenylate synthetases
On active service
One-to-All Scatter
One-wavelength anomalous scattering
Onizuka Air Station
Online Assessment System
Open Application Server
Open Architecture System
Operating Administrations
Operational Areas
Operations Applications
Operations Automation System
Ophthalmic Anesthesia Society
Optical alignment sights
Optical Assembly Simulator
Optically Activated Semiconductor
Optically Active Substance
Option Adjusted Spread
Oracle Application Server
Oral allergy syndrome
Oral anticoagulants
Oral apparatuses
Oral appliances
Orbit Adjust Subsystem
Orbit Adjustment Subsystem
Orbit Analysis System
Orbital Analysis System
Orbiter Aeroflight Simulator
Orbiter Atmospheric Simulator
Orbiter Attachment System
Orbiter Avionics Simulator
Orbiter Avionics System
Organic Aid Scheme
Organic anions
Organisation der Amerikanischen Staaten
Organisation of American States
Organisation of American Studies
Organization of African Students
Organization of Agreement States
Organization of American States
Origin-of-assembly sequence
Orthogonal arrays
Oscoda Area Schools
Osmotically active substance
Ostomy Adjustment Scale
Overall survival
Overt Aggression Scale