| Abbreviation | Definition |
|---|---|
| BAS | British Andrology Society |
| BAS | bronchoalveolar secretions |
| BAS | Bronx Aging Study |
| BASc | Bachelor of Applied Science |
| BASc | Blood pressure in Acute Stroke Collaboration |
| BASC | BRCA1-associated genome surveillance complex |
| BASCD | British Association for the Study of Community Dentistry |
| BASH | British Association for the Study of Headache |
| BASH | Bulimia Anorexia Self-Help |
| BASHH | British Association for Sexual Health & HIV |
| BASHH | British Association for Sexual Health and HIV |
| BASICS | British Association for Immediate Care |
| BASIS | Basel Antiarrhythmic Study of Infarct |
| BASIS | Battelle???s Automated Search Information System |
| BASIS | Battelle’s Automated Search Information System |
| BASIS | Battelles Automated Search Information System |
| BASRaT | British Association of Sports Rehabilitators and Trainers |
| BASSAC | British Association of Settlements and Social Action Centres |
| BASW | British Association of Social Workers |
| BAT | behavioural avoidance test |