| Abbreviation | Definition |
|---|---|
| BRL | Bioinformatics Research Laboratory |
| BRL | Biologic Resources Laboratory |
| BRL | Biorenewables Research Laboratory |
| BRL | Bristol Robotics Laboratory |
| BRLESC | Ballistic Research Laboratories Electronic Scientific Computer |
| BSA | Biomolecular Sequence Analysis |
| BSAF | Biota Sediment Accumulation Factor |
| BSCII | Biological Safety Cabinet, Class 2 |
| BSCL | Basic Science Computing Laboratory |
| BSCL | Basic Sciences Computing Laboratory |
| BSI | Body Substance Isolation |
| BSL | Berkeley Seismological Laboratory |
| BSL | Biologic Space Laboratories |
| BSL | biosafety level |
| BSL | Bio-Safety Level |
| BSL | Blood Sugar Level |
| BSML | Bioinformatics and Systems Medicine Laboratory |
| BSMLS | Bachelor of Science in Medical Laboratory Science |
| BST | bovine somatotropin |
| BSTL | Biopharma Stability Testing Laboratory |