| Abbreviation | Definition |
|---|---|
| ASSS | Along- Strike Seismic Structure |
| AST | Above-ground Storage Tank |
| AT | All Terrain |
| AVO | Alaska Volcano Observatory |
| AVO | Amplitude Versus Offset |
| B | Branch |
| BABB | Back Arc Basin Basalt |
| BC | Black Canyon |
| BC | Black Creek |
| BCE | Before Common Era |
| BCE | Before Complete Extinction |
| BCE | Before the Common Era |
| BCY | Bank Cubic Yards |
| BDSN | Berkeley Digital Seismic Network |
| BENA | British Empire Naturalists' Association |
| BFW | BankFull Width |
| BGS | Below Ground Surface |
| BGS | British Geological Survey |
| BGS | British Geology Survey |
| BHG | Black Hills Gold |