| Abbreviation | Definition |
|---|---|
| DB | deep breath |
| DB | demineralised bone |
| DB | dense body |
| DB | dextran blue |
| DB | diet beverage |
| DB | direct bilirubin |
| DB | disruptive behaviour |
| DB | distobuccal |
| DB | DNA binding |
| DB | dot blot |
| DB | downstream box |
| DB | duodenal bulb |
| DBS | Demographics Batch Service |
| DBS | Diamond-Blackfan syndrome |
| DBS | Disclosure and Barring Service |
| DBS | double blind study |
| DC | Discharge eg. the doctor might DC a patient from the hospital. |
| DCAG | Death Certification Advisory Group |
| DCC | DCC day care center (US) |
| DCC | Deleted in Colorectal Cancer Molecular biology |