| Abbreviation | Definition |
|---|---|
| D&C | Dilatation And Curettage |
| D&E | Dilatation And Evacuation |
| d-TGA | Differential Thermal Gravimetric Analysis |
| D.D. | Deputy Director |
| D.D.B. | Deputy Director Books |
| D.D.O. | Drawing and Disbursing Officer |
| D.E.O. | District Education Officer |
| D.I.G. | Deputy Inspector General |
| D.Litt. | Doctor of Literature |
| D.P.E. | Director of Physical Education |
| D.S.C. | Departmental Selection Committee |
| D.S.I.E. | Director State Institute of English |
| D.S.I.S. | Director State Institute of Science |
| D.Sc. | Doctor of Science |
| D.T.C. | Delhi Transport Corporation |
| D/A | Date of Accident |
| D/C | Diarrhea/Constipation |
| D/DW | Dextrose in distilled water |
| D/NS | Dextrose in normal saline |
| D/W | Divident Warrant |
| D/W | Dextrose And Water |
| D2O | Deuterium Oxide (Heavy Water) |
| DA | Dearness Allowance |
| DA | Doctor of Arts |
| DA | Delete Attribute |
| DA | Degenerative arthritis |
| DA | Dominant Arm |
| DA | Disciplines Associated |
| DA | Dining Assistant |
| DA | Data Acquisition |
| DA | Deployment Assembly |
| DA | Distribution Assembly |
| DA | Double Amplitude |
| DA | Duration of Asset |
| DAA | Decimal Adjust after Addition |
| DAA | Decimal Adjust Accumulator |
| DAA | Data Availability Acknowledgment |
| DAA | Denitrogenation Absorption Atelectasis |
| DAAC | Departmental Affirmative Action Coordinator |
| DAAC | NASA Distributed Active Archive Center |
| DAAWG | Disability Awareness and Action Working Group |
| DAB | Diaminobenzidine |
| DAB | Delete All But |
| DAB | Data Acquisition Bus |
| DABIM | Diplomat American Board of Internal Medicine |
| DABK | District Attorney Brooklyn |
| DABR | Diplomate of the American Board of Radiology |
| DABS | Discrete Address Beacon System |
| DABT | Diplomate of the American Board of Toxicology |
| DAC | Diamond Anvil high pressure Cell |