120 BAS definitions

Basic Allowance for Subsistence 
British Antarctic Survey 
Battalion Aid Station 
Basic Activity Subset 
Brake Apply Sensor 
Broadcast Auxiliary Service 
Bachelor of Applied Science 
Basic 
Battlefield Automated Systems 
Boundary and Annexation Survey 
Balanced Adjudications System 
balloon atrial septostomy 
barium swallow 
Basic Accounting System 
basilar 
basophils 
Battlefield Automated System 
benzyl anti-serotonin 
beta-adrenergic stimulation 
Big Ass Smile 
Bit Allocation Signal 
boric acid solution 
Brake Assist System 
Broadband Access Server 
Budget Automation System 
Business Address Services 
Aero Services 
Bachelor in Agricultural Science 
Bachelor of Administrative Studies 
Bachelor of Applied Studies