| Abbreviation | Definition |
|---|---|
| BB | Bionic Brain |
| BB | Blood and Brain |
| BB | Blood Bank |
| BB | Both Bones |
| BB | Break the Backache |
| BB | Breakthrough Bleeding |
| BB/FS | Breast Biopsy/ Frozen Section |
| BBB | Blood Brain Barrier |
| BBB | Body Balanced Board |
| BBB | Bundle Branch Block |
| BBBD | Blood Brain Barrier Disruption |
| BBBM | Bundle Branch Block Morphology |
| BBC | Baby Bond Connect |
| BBM | Big Bowel Movement |
| BBP | Branchpoint Binding Protein |
| BBRE | Bottom Belly Rounded Effect |
| BBT | Basal Body Temperature |
| BBT | Basal Body Thermometer |
| BBVAG | Belgische Beroepsvereniging voor Arbeidsgeneesheren (Dutch: Belgian Professional Association of Occu |
| BC | Back Care |