area of responsibility
Atlantic Ocean Region
Authorized Organizational Representative
adjusted odds ratio
Application Owning Region
Area of Operational Responsibility
Association of Realtors
Astronomical Observation Request
Atlantic Operating Region
Replenishment Oiler
abnormal occurrence report
acknowledgment of receipt
Address of Record
Adjusted odds ratios
adjusted OR
Afro International Ent. Limited
After Outliers Removed
after-operations recovery
Age of Renaissance
age-adjusted odds ratio
Agent Orange Registry
Album Oriented Rock
aldehyde ferredoxin oxidoreductase
Aldehyde oxidoreductase
Aliquippa and Ohio River Railroad
alternate opacity request
Alvarado Orthopedic Research
anchor order
Angle of Reflection
Angolan kwanza readjustado
annual operating requirement
Annual Operating Requirements
Annual Operation Requirements
aortic root
Application-Owning Region
Arctic and Offshore Research
Area of Review
Army Ordnance Regulations
At Owner's Request
Atomic-Oxygen Resistant