| Abbreviation | Definition |
|---|---|
| CRT | Crystal Resolution Technology |
| CRTC | Cathode Ray Tube Controller |
| CRU | Cassette Read Unit |
| CRU | Customer Removable Unit |
| CRZ | Chirped Return-to-Zero |
| CS | Circuit Simulator |
| CS | crystalline silicon (c-Si) |
| CS | Current Sensing |
| CSA | CIM (Computer-Integrated Manufacturing) Systems Architecture |
| CSA | Conical Spiral Antenna |
| CSD | Current Source Density |
| CSES | Customer Service Electric Supply |
| CSF | Critical Success Factor |
| CSFSP | Computers Studied For Scientific Purposes |
| CSG | Compatible Stereo Groove |
| CSI | Car Systems Installation |
| CSI | Current Source Inverter |
| CSIC | Customer Specific Integrated Circuit |
| CSL | Colortronic Smart Load |
| CSL | Current-Steering Logic |