| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Barometer, Aneroid | No definition provided | Christopher Rauch | 2023.12.01 |
| barometric | No definition provided | Ryan McGranaghan | 2023.04.16 |
| barometric altitude | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Barometric hypsometry | No definition provided | Christopher Rauch | 2023.12.01 |
| barometric pressure | The pressure exerted by the atmosphere as a consequence of gravitational attraction exerted upon the column of air lying directly above the point in question. | Ryan McGranaghan | 2023.04.16 |
| barometric tendency | The character and amount of atmospheric pressure change during a specified period of time, often a three-hour period preceding an observation. | Ryan McGranaghan | 2023.04.16 |
| Baronage | No definition provided | Christopher Rauch | 2023.12.01 |
| Baronetage | No definition provided | Christopher Rauch | 2023.12.01 |
| Baron’s war, 1263-1267 | No definition provided | Christopher Rauch | 2023.12.01 |
| barotropic | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Barquillite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Barracks | No definition provided | Christopher Rauch | 2023.12.01 |
| Barracouta (Ship) | No definition provided | Christopher Rauch | 2023.12.01 |
| Barrages | No definition provided | Christopher Rauch | 2023.12.01 |
| Barrandite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Barred spiral galaxies | A spiral galaxy that exhibits a bar-shaped structure in its nucleus. | Ryan McGranaghan | 2023.04.16 |
| Barrels | No definition provided | Christopher Rauch | 2023.12.01 |
| barremian | No definition provided | Ryan McGranaghan | 2023.04.16 |
| barren | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Barrens | Any region that is devoid of vegetation or permits only the sparse growth of very few plant species. This term is most commonly applied to such terrain in polar regions. | GCW Glossary | 2023.03.27 |