| Abbreviation | Definition |
|---|---|
| CB/DC | Circuit Breaker, Direct Current only |
| CBA | C-Band transponder Antenna |
| CBA | Collective Bargaining Agreement |
| CBACS | Common Badging and Access Control System |
| C-BD | C-Band (3900 to 6425 MHz) |
| CBE | Connector Bracket, Experiment |
| CBF | Cheaper Better Faster |
| CBF | Cheaper, Better, Faster |
| CBH | Catalyst Bed Heater |
| CBIL | Common and Bulk Items List |
| CBM | Common Berthing Mechanism |
| CBP | Connector Bracket Power |
| CBrF3 | BromoTriFluoroMethane |
| CBS | Connector Bracket Signal |
| CBSA | Cargo Bay Stowage Assembly |
| CBV | Cabin Bleed Valve |
| CBW | Constant BandWidth |
| CBX | C-Band Transponder |
| CC | Carbon-Carbon |
| CC | Channel Controller |