- OBS
- Observation (Governmental » NASA)Observation (Medical » Physiology)Observation (Governmental » Military)**** OBServer (Medical » Physiology)*** Observatory (Academic & Science » Universities)* OBStetrics (Medical » Physiology)* Ocean Bottom Seismometer (Academic & Science » Ocean Science)* Open Book Systems (Business » Firms)* Outward Bound Singapore (Governmental » Transportation)* Organic Brain Syndrome (Medical » Physiology)* Ocala Breeders' Sales Company (Business » Firms)* Output-Based Specification (Computing » Software)* Overbrook School for the Blind (Community » Non-Profit Organizations)* Optical Back Scatter (Business » Accounting)* Script (ObjectScript) (Computing » File Extensions)* Olympus BioSystems (Business » Firms)* OSIS Baseline System (Governmental » Military)* OSIS Baseline System (Academic & Science » Ocean Science)* Aubenas, France (Regional » Airport Codes)* Oracle Bridging System (Computing » Databases)* Oriental Blank Stare (Community » Law)* Orbiting Brown-dwarf Star (Academic & Science » Astronomy)
Abbreviations dictionary. 2012.