accumulated benefit obligation
Aviators Breathing Oxygen
American Board of Ophthalmology
American Board of Orthodontics
abortion
adiabatic Born-Oppenheimer
Air Base Operability
American Board of Otolaryngology
Annular Beam Oscillator
antibonding bond orbital
a system of classifying blood groups by a or b antibody
abnormal oocyte
Abo Akademi University
absent bed occupancy
acute bowel obstruction
Admin Base Object
ADVANCED BYTE-ORIENTED
Agents of Biological Origin
Air Base Order
Air Board Order
American Board of Opticianry
American Board of Orthodontists
antibody
Applied Benefits Option
APSA Colombia
Army Budget Office
As brokers only
Assistant Boarding Officer
Astable Blocking Oscillator
Asymptotic Bounded Optimality
Audio Basic Object
Australian Brandenburg Orchestra
Automatic Build-Out
Aviator's Breathing Oxygen
IATA code for Aboisso Airport, Aboisso, Ivory Coast
IATA code for Antonio Juarbe Pol Airport, Arecibo, Puerto Rico, United States
Asociación de Bananeros Orenses
Automatic Beam Optimizer