| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Spinal cord--Localization of functions | No definition provided | Christopher Rauch | 2023.12.01 |
| Spinal cord--Surgery | No definition provided | Christopher Rauch | 2023.12.01 |
| Spinal cord--Tumors | No definition provided | Christopher Rauch | 2023.12.01 |
| Spinal irritation | No definition provided | Christopher Rauch | 2023.12.01 |
| Spinal meningitis | No definition provided | Christopher Rauch | 2023.12.01 |
| Spinal therapy | No definition provided | Christopher Rauch | 2023.12.01 |
| SpinAxisEclipticCoordinateSystem | Spin axis ecliptic SAE [NSSDC, Pioneer data pages] This spacecraft centered system was for example used by the Pioneer missions (under the acronym PE). +Z-axis: spacecraft spin axis vA (towards Earth) . +X-axis: cross-product of ecliptic polar axis of date and vA. | Ryan McGranaghan | 2023.04.16 |
| SpinAxisSunPulseCoordinateSystem | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Spindles (Machine-tools) | No definition provided | Christopher Rauch | 2023.12.01 |
| Spindle-whorls | No definition provided | Christopher Rauch | 2023.12.01 |
| Spine | No definition provided | Christopher Rauch | 2023.12.01 |
| Spine--Abnormities and deformities | No definition provided | Christopher Rauch | 2023.12.01 |
| Spine--Abnormities and deformities) | No definition provided | Christopher Rauch | 2023.12.01 |
| Spine--Curvature | No definition provided | Christopher Rauch | 2023.12.01 |
| Spine--Diseases | No definition provided | Christopher Rauch | 2023.12.01 |
| Spinel | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Spines | No definition provided | Christopher Rauch | 2023.12.01 |
| Spines (Botany) | No definition provided | Christopher Rauch | 2023.12.01 |
| Spines (Zoology) | No definition provided | Christopher Rauch | 2023.12.01 |
| Spinet | No definition provided | Christopher Rauch | 2023.12.01 |