- RBO
- RedBox Organizer (Computing » Software)* Rock et Belles Oreilles (International » French)* Regional Business Office (Business » International Business)* Regional Business Office (Business » General)* Real Estate By Owner (Community)* Rated Beginners Open (Community » Sports)* Right Back Outside (Community)* Rollin' Boulder Outfitters (Business » Firms)* Robore, Bolivia (Regional » Airport Codes)* Rear Bumper Overlay (Business » Firms)* Roanoke, Belmont, & Occidental Railroad (Regional » Railroads)* ReBate Offer (Business » Products)* Regional Business Operation (Business » International Business)* Regional Business Operation (Business » General)* Resolution By Objective (Business » General)* Revolution By Overthrow (Governmental » US Government)* Jim Riley, Steve Barnard, and Bob O'Connell (Business » Firms)* Rivers, Bays, and Oceans (Academic & Science » Ocean Science)Rule-Based Optimizer (Computing » Databases)
Abbreviations dictionary. 2012.