| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Sayrite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sazhinite (Ce) | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sazhinite (La) | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sazykinaite (Y) | No definition provided | Ryan McGranaghan | 2023.04.16 |
| sb | No definition provided | Ryan McGranaghan | 2023.04.16 |
| s band | No definition provided | Ryan McGranaghan | 2023.04.16 |
| S-band | Radio frequencies between 1.55 and 5.20 GHz. For satellite communication. The term usually refers to frequencies used for Earth-space communication near 2.2 GHz. | Ryan McGranaghan | 2023.04.16 |
| Sborgite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| SC | Spacecraft - A coordinate system defined bythe spacecraft geometry and/or spin. Often has Z axis parallel to spacecraftspin vector. X and Y axes may or may not corotate with the spacecraft. SeeSR and SR2 below. | Ryan McGranaghan | 2023.04.16 |
| SC | Spacecraft - A coordinate system defined by the spacecraft geometry and/or spin. | Ryan McGranaghan | 2023.04.16 |
| Scab disease in sheep | No definition provided | Christopher Rauch | 2023.12.01 |
| Scabies | No definition provided | Christopher Rauch | 2023.12.01 |
| Scacchite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Scaffolding | No definition provided | Christopher Rauch | 2023.12.01 |
| Scaffolding: Stair-building | No definition provided | Christopher Rauch | 2023.12.01 |
| Scainiite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| scalar | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Scalar | A quantity that is completely specified byits magnitude and has no direction. | Ryan McGranaghan | 2023.04.16 |
| scalar field | No definition provided | Ryan McGranaghan | 2023.04.16 |
| scalar field operation | No definition provided | Ryan McGranaghan | 2023.04.16 |