| Abbreviation | Definition |
|---|---|
| CAT | Certified Alarm Technician |
| CAT | Computer-Aided Testing |
| CATR | Compact Antenna Test Range |
| CATS | Computer Aided Tolerance Specification |
| CATT | Computer Aided Test Tool |
| CAVET | Current Aperture Vertical Electron Transistor |
| CAW | Construction Analysis Workgroup |
| CAWC | Cryogenic Aerosol Wafer Cleaning |
| Cazn | Auto-Zero Capacitor pin, negative |
| Cazp | Auto-Zero Capacitor pin, positive |
| CB | Carbon Black |
| CB | Circuit Breaker |
| CBA | Cell-Based Architecture |
| CBB | Circuit Breaker Box |
| CBC | Common Base Circuit |
| CBD | Convergent Beam Diffraction |
| CBE | Chemical Beam Epitaxy |
| CBEC | Columbia Basin Electric Cooperative |
| CBEC | Craig Botetourt Electric Cooperative |
| CBED | Convergent Beam Electron Diffraction |