| Abbreviation | Definition |
|---|---|
| DC-37 | 37-pin D-SUB (series D subminiature) connector |
| DCA | Defence Communication Agency |
| DCA | Digitally Controlled Amplifier |
| DCA | Direct Chip Attachment |
| DCAP | Dynamics and Control Analysis Package |
| DCATS | Double-Contained Acid Transfer System |
| DCB | Direct Copper Bonding |
| DCD | Direct Current Demagnetization (as opposed to Alternating Current) |
| DCD | Duty Cycle Distortion |
| DCE | Distributed Computer Environment |
| DCEF | Direct Current Electric Field |
| DCEN | Direct Current Electrode Negative |
| DCEP | Direct Current Electrode Positive |
| DCES | Direct Cortical Electrical Stimulation |
| DCF | Digitally Controlled Filter |
| DCFL | Direct Coupled FET (Field Effect Transistor) Logic |
| DCG | Domain Coordination Group |
| DCI | Digitally Controlled Impedance |
| DCI | Direct Coupled Interface |
| DCI | Distributed Control Instrumentation |