| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Spencerite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Spermatic cord--Diseases | No definition provided | Christopher Rauch | 2023.12.01 |
| Spermatogenesis | No definition provided | Christopher Rauch | 2023.12.01 |
| Spermatogenesis in animals | No definition provided | Christopher Rauch | 2023.12.01 |
| Spermatogenesis in plants | No definition provided | Christopher Rauch | 2023.12.01 |
| Spermatophyta | No definition provided | Christopher Rauch | 2023.12.01 |
| Spermatorrhea | No definition provided | Christopher Rauch | 2023.12.01 |
| Spermatozoa | No definition provided | Christopher Rauch | 2023.12.01 |
| Sperrylite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Spertiniite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Spessartine | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Spessartite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Speyer, Diet of, 1529 | No definition provided | Christopher Rauch | 2023.12.01 |
| Sphaeriales | No definition provided | Christopher Rauch | 2023.12.01 |
| Sphaerobertrandite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sphaerobismoite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sphaerocobaltite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sphaeropsidales | No definition provided | Christopher Rauch | 2023.12.01 |
| Sphalerite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sphene | No definition provided | Ryan McGranaghan | 2023.04.16 |