| Term | Definition | Contributor | Modified |
|---|---|---|---|
| freshwater ecosystem | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Fresh-water fauna | No definition provided | Christopher Rauch | 2023.12.01 |
| Fresh-water flora | No definition provided | Christopher Rauch | 2023.12.01 |
| freshwater lake | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Fresh-water pearl button industry | No definition provided | Christopher Rauch | 2023.12.01 |
| fresnel diffraction | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Fresnel lens | No definition provided | Christopher Rauch | 2023.12.01 |
| Fresnoite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| fretted | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Fretwork | No definition provided | Christopher Rauch | 2023.12.01 |
| Freudenbergite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Friable permafrost | Permafrost in which the soil particles are not held together by ice | GCW Glossary | 2023.03.27 |
| Friable permafrost | Permafrost in which the soil particles are not held together by ice. | GCW Glossary | 2023.03.27 |
| Friars | No definition provided | Christopher Rauch | 2023.12.01 |
| Friars in the Philippines | No definition provided | Christopher Rauch | 2023.12.01 |
| Friars minor | No definition provided | Christopher Rauch | 2023.12.01 |
| Friars preachers | No definition provided | Christopher Rauch | 2023.12.01 |
| friction | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Friction | No definition provided | Christopher Rauch | 2023.12.01 |
| Friedelite | No definition provided | Ryan McGranaghan | 2023.04.16 |