| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Boston massacre, 1770 | No definition provided | Christopher Rauch | 2023.12.01 |
| Boston--Registers | No definition provided | Christopher Rauch | 2023.12.01 |
| Boston--Siege, 1775-1776 | No definition provided | Christopher Rauch | 2023.12.01 |
| Boston tea-party, 1773 | No definition provided | Christopher Rauch | 2023.12.01 |
| Boston terrier | No definition provided | Christopher Rauch | 2023.12.01 |
| Boston (U.S. cruiser) | No definition provided | Christopher Rauch | 2023.12.01 |
| Bostwickite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Bosworth Field, Battle of, 1485 | No definition provided | Christopher Rauch | 2023.12.01 |
| Botallackite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Botanical apparatus | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanical chemistry | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanical gardens | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanical geography | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanical laboratories | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanical libraries | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanical museums | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanical societies | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanists | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanists, American | No definition provided | Christopher Rauch | 2023.12.01 |
| Botanists, English | No definition provided | Christopher Rauch | 2023.12.01 |