| Abbreviation | Definition |
|---|---|
| BBHH | Band To Band Hot Hole |
| BBISBD | Based Blocked Inter-Sub-Band Detector |
| BB-ISBD | Based Blocked Inter-Sub-Band Detector |
| BBN | Bridge and Bridged Network |
| BBS | Broad Band Spectrum |
| BBUS | Battery Backed Up Sounder |
| BC | Bias Contrast |
| BC | Bond Centered |
| BC | Buried Capacitance |
| BCA | Bias Corrected and Accelerated |
| BCAD | Business Computer-Aided Manufacturing |
| BCD | Binary Coded Decimal |
| BCEC | Bowie Cass Electric Cooperative |
| BCER | British Columbia Electric Railway |
| BCER | British Columbia Electric Ry |
| BCEW | Bay City Electric Works |
| BCF | Bulked Continuous Filament |
| BCH | Bose, Chaudhuri, and Hocquengum |
| BCI | Balanced Coaxial Interference |
| BCI | Bulk Current Injection |