| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Chronology, Yucatecan | No definition provided | Christopher Rauch | 2023.12.01 |
| Chronometer | No definition provided | Christopher Rauch | 2023.12.01 |
| Chronometer (Music) | No definition provided | Christopher Rauch | 2023.12.01 |
| Chronometry, Mental | No definition provided | Christopher Rauch | 2023.12.01 |
| Chronophotography | No definition provided | Christopher Rauch | 2023.12.01 |
| Chronothermalism | No definition provided | Christopher Rauch | 2023.12.01 |
| Chronothermal medicine | No definition provided | Christopher Rauch | 2023.12.01 |
| Chrysanthemum | No definition provided | Christopher Rauch | 2023.12.01 |
| Chrysoberyl | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chrysocolla | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chrysolite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chrysoprase | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chrysotile | No definition provided | Ryan McGranaghan | 2023.04.16 |
| CH stars | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chtgniacs | No definition provided | Christopher Rauch | 2023.12.01 |
| Chthonian planets | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chubutite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Chuchona language | No definition provided | Christopher Rauch | 2023.12.01 |
| Chucks | No definition provided | Christopher Rauch | 2023.12.01 |
| Chudobaite | No definition provided | Ryan McGranaghan | 2023.04.16 |