| Acronym | Meaning |
| DQ | Drawing Quality |
| DQ-MBPT | Double And Quadruple Excitation Diagrams In Many-body Perturbation Theory |
| DQ-RSPT | Double And Quadruple Excitation Diagrams In Rayleigh-Schroedinger Perturbation Theory |
| DQC | Decagonal Quasicrystal |
| DQC | Double Quantum Coherence |
| DQFCOSY | Double-quantum-filtered Correlation Spectroscopy |
| DQMC | Diffusion Quantum Monte Carlo (method In Atom And Mol. Calcns.) |
| DQO | Data Quality Objectives |
| DQSK | Drawing Quality Special Killed |
| DQT | Dissipative Quantum Tunneling (theory) |
| DQW | Double Quantum Well |
| DR-RWA | Dominant Resonance-rotating Wave Approximation |
| DRAM | Dynamic Random Access Memory |
| DRAMA | Dipolar Restoration At The Magic Angle |
| DRAW | Digital Read After Write |
| DRAWS | Dipolar Recoupling With A Windowless Sequence |
| DRC | Dynamic Reaction Cell |
| DRC | Dose Response Curve |
| DRCR | Dynamic Recrystallization Controlled Rolling |
| DRE | Destruction Removal Efficiency |
| DRED | Dual Recursive Deconvolution |
| DRES | Dietary Risk Evaluation System |
| DRESS | Depth-resolved Surface-coil Spectroscopy |
| DRF | Direct Reaction Field (for Intermol. Interactions) |
| DRF | Dose Reduction Factor |
| DRFM | Digital Radio-frequency Memory |
| DRG | Dorsal Root Ganglion |
| DRI | Differential Refractive Index |
| DRI | Direct Reduced Iron |
| DRIE | Deep Reactive Ion Etching |
| DRIFT | Diffuse Reflectance IR Fourier Transform |
| DRIFTS | Diffuse Reflectance Infrared Fourier Transform Spectroscopy |
| DRIPSS | Drinking Water Information Processing Support System |
| DRIS | Double Resonance Ionization Spectroscopy |
| DRLFP | Diffuse Reflectance Laser Flash Photolysis |
| DRM | Depositional Remanent Magnetization |
| DRO | Diesel-range Organics |
| DRP | Deutsches Reichpatent |
| DRP | Dense Random Packing |
| DRP | Dissolved Reactive Phosphorus |
| DRP | Dynamic Reaction Path |
| DRPA | Direct Random Phase Approximation |
| DRS | Dielectric Relaxation Spectroscopy |
| DRS | Diffuse Reflectance Spectroscopy |
| DRS | Direct Recoil Spectroscopy |
| DRS | Dissolved Reactive Silicate |
| DRUM | Davis Rotating-drum Universal-size-cut Monitoring [cascade Impactor] Sampler |
| DS | Dry Solids |
| DSA | Doppler Shift Attenuation |
| DSA | Digital Subtraction Angiography |