| Term | Definition | Contributor | Modified |
|---|---|---|---|
| DoubleSphere | A dipole antenna of which the active (sensor)elements are small spheres located at the ends of two wires deployed in theequatorial plane, on opposite sides of a spinning spacecraft. | Ryan McGranaghan | 2023.04.16 |
| Double_Star_1 | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Double_Star_2 | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Double stars | No definition provided | Christopher Rauch | 2023.12.01 |
| doubling time | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Doubt | No definition provided | Christopher Rauch | 2023.12.01 |
| Doughtyite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| douglas fir | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Douglasite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Dourga (Brig) | No definition provided | Christopher Rauch | 2023.12.01 |
| Dourine | No definition provided | Christopher Rauch | 2023.12.01 |
| Doverite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Doves | No definition provided | Christopher Rauch | 2023.12.01 |
| Dovyrenite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Dower | No definition provided | Christopher Rauch | 2023.12.01 |
| downdraft | Small-scale downward moving air current in a cumulonimbus cloud. | Ryan McGranaghan | 2023.04.16 |
| Downeyite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| downflow | No definition provided | Ryan McGranaghan | 2023.04.16 |
| downhill | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Downhole methods | No definition provided | Ryan McGranaghan | 2023.04.16 |