| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Protestant reformation | No definition provided | Christopher Rauch | 2023.12.01 |
| Protestants | No definition provided | Christopher Rauch | 2023.12.01 |
| Protestants in France | No definition provided | Christopher Rauch | 2023.12.01 |
| Protestants in Germany | No definition provided | Christopher Rauch | 2023.12.01 |
| Protestants in Ireland | No definition provided | Christopher Rauch | 2023.12.01 |
| Proteus | The second largest moon of Neptune. | Ryan McGranaghan | 2023.04.16 |
| Proteus (Ship) | No definition provided | Christopher Rauch | 2023.12.01 |
| protist | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Protoallophane | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Protoanthophyllite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Protoantigorite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Protoclusters | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Protocol-books | No definition provided | Christopher Rauch | 2023.12.01 |
| Protoferro-anthophyllite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Protogalaxies | A huge mass of gas that by contraction and condensation becomes a galaxy of stars. A galaxy during the early phase, before it has developed its present shape and stellar/gas content. | Ryan McGranaghan | 2023.04.16 |
| Protojoseite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Protomangano-ferro-anthophyllite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| protomatrix | A type of matrix consisting of un-recrystallized detrital clayey lutum (clay fraction, less than 2 micron) in weakly consolidated rocks. | Ryan McGranaghan | 2023.04.16 |
| proton | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Proton | No definition provided | Ryan McGranaghan | 2023.04.16 |