| Abbreviation | Definition |
|---|---|
| BACO | Barbados Atmospheric Chemistry Observatory |
| BADGE | Bisphenol A Di Glicidyl Ether |
| BADGE | Bisphenol A DiGlicidyl Ether |
| BAE | Bis-Acetoxy Ethane |
| BAEE | Benzoylarginine ethyl ester |
| BAL | British Anti-Lewisite |
| BAM | Bile Acid Malabsorption |
| BAMT | Bile Acid Malabsorption Treatment |
| BAMT | Boric Acid Mix Tank |
| BAP | Benzyl Amino Purine |
| BAPEX | Bangladesh Petroleum Exploration Production Company Limited |
| BAPEX | Bangladesh Petroleum Exploration & Production Company Limited |
| BARC | Battery Acid Restoration Cleaner |
| BARE | Bile Acid Response Element |
| BaTiO3 | barium titanate |
| BAV | Bio-augmented Anaerobically-degrading Vinyl Chloride |
| BB | Big Bang |
| BC | Boron Carbide |
| BCAA | Branched Chain Amino Acid |
| BCAA | Branched-Chain Amino Acid |