Be Back Soon 
Bulletin Board System 
Bulletin Board Service 
Bangladesh Bureau of Statistics 
Battalion Battle Simulation 
battery backup system 
Bios Boot Specification 
Bridge-to-Bridge Station 
Brigade/Battalion Simulation 
Bulletin Board Software 
Balanced Biaxial Stretching 
Ball-Bearing Steel 
Bardet-Biedl syndrome 
Barolet-Biedl syndrome 
BaseBand Switch 
Baseline Build Standard 
bashful bladder syndrome 
Battalion/Brigade Battle Simulation 
Be Back Shortly 
Behavioral and Brain Sciences 
benign biliary strictures 
benign breast syndrome 
Berg Balance Scale 
Bermuda Biological Station 
Beta-blockers 
Bidirectional Bus System 
Big bald stud 
Big, Brave and Strong 
bilateral breath sounds 
bionic baroreflex system