| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Sieleckiite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| siemens | No definition provided | Ryan McGranaghan | 2023.04.16 |
| siemens per kilogram | No definition provided | Ryan McGranaghan | 2023.04.16 |
| siemens per meter | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sieve-cells | No definition provided | Christopher Rauch | 2023.12.01 |
| Sievershausen, Battle of, 1553 | No definition provided | Christopher Rauch | 2023.12.01 |
| Sight | No definition provided | Christopher Rauch | 2023.12.01 |
| Sight-reading (Music) | No definition provided | Christopher Rauch | 2023.12.01 |
| Sights for firearms | No definition provided | Christopher Rauch | 2023.12.01 |
| Sight-singing | No definition provided | Christopher Rauch | 2023.12.01 |
| Sigillography | No definition provided | Christopher Rauch | 2023.12.01 |
| Sigismundite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sigloite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| sigma | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Sigma8 | No definition provided | Ryan McGranaghan | 2023.04.16 |
| sigma naught | No definition provided | Ryan McGranaghan | 2023.04.16 |
| sigma t | No definition provided | Ryan McGranaghan | 2023.04.16 |
| sigmoid | No definition provided | Ryan McGranaghan | 2023.04.16 |
| signal | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Signal processing | No definition provided | Ryan McGranaghan | 2023.04.16 |