| Abbreviation | Definition |
|---|---|
| DOAL | Diffuse On Axis Light |
| DOAS | Differential Optical Absorption Spectroscopy |
| DOC | Distribution Of Chaos |
| DOE | Diffractive Optical Element |
| DOE | Dynamic Operating Environment |
| DOG | Double Optical Gating |
| DOHC | Dual Over-Head Cam |
| DOIM | Dense Optical Interface Module |
| DOP | Degree Of Polarization |
| DOP | Dilution Of Precision |
| DOT | Degeneration Over Time |
| DOT | Delivery Optimized Thermodynamics |
| DOT | Diffuse Optical Tomography |
| DP | Data Point |
| DP | Design Parameters |
| DP | Dynamically Positioned |
| DPA | Differential Power Analysis |
| DPB | Division of Physics of Beams |
| DPD | Double Phase Distortion |
| DPF | Displacement Power Factor |