| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Pyrogallic acid | No definition provided | Christopher Rauch | 2023.12.01 |
| Pyrog-raphy | No definition provided | Christopher Rauch | 2023.12.01 |
| Pyrography | No definition provided | Christopher Rauch | 2023.12.01 |
| pyrolite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrolusite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrometers and pyrometry | No definition provided | Christopher Rauch | 2023.12.01 |
| Pyromorphite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrope | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrophanite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrophone | No definition provided | Christopher Rauch | 2023.12.01 |
| Pyrophosphate of iron | No definition provided | Christopher Rauch | 2023.12.01 |
| Pyrophosphite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrophyllite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrophyllite | No definition provided | Christopher Rauch | 2023.12.01 |
| Pyrosmalite (Fe) | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrosmalite (Mn) | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrostilpnite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyrotechnics | No definition provided | Christopher Rauch | 2023.12.01 |
| pyroxene | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Pyroxene | No definition provided | Christopher Rauch | 2023.12.01 |