| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Jeannette search expedition | No definition provided | Christopher Rauch | 2023.12.01 |
| Jeannette (Ship) | No definition provided | Christopher Rauch | 2023.12.01 |
| Jeans mass | The minimum mass for an interstellar cloud below which the thermal pressure of the gas prevents its collapse under the force of its own gravity. High density favors collapse, while high temperature f avors larger Jeans mass. | Ryan McGranaghan | 2023.04.16 |
| Jeans mass | The minimum mass for an interstellar cloud below which the thermal pressure of the gas prevents its collapse under the force of its own gravity. High density favors collapse, while high temperature f avors larger Jeans mass. | Ryan McGranaghan | 2023.04.16 |
| Jedvabite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jedwabite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jefferisite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jeffersinite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jeffreyite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jeinez Indians | No definition provided | Christopher Rauch | 2023.12.01 |
| jellyfish | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jellyfish | No definition provided | Christopher Rauch | 2023.12.01 |
| Jena glass | No definition provided | Christopher Rauch | 2023.12.01 |
| Jeneral Baquedano (Corvette) | No definition provided | Christopher Rauch | 2023.12.01 |
| Jenkinsite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jennite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jensenite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jentschite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jeppeite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Jequirity | No definition provided | Christopher Rauch | 2023.12.01 |