| Abbreviation | Definition |
|---|---|
| CSD | Communication Science and Disorders |
| CSD | Computational Structural Dynamics |
| CSE | Compton Scattering Enhancement |
| CSI | Contact Surface Imaging |
| CSISD | Center for Sensors, Instruments and Systems Development |
| CSMP | Computer Science Mathematics and Physics |
| CSSP | Committee on Solar and Space Physics |
| CSTN | Color Super Twist Nematic |
| CSU | Complete Set of Unifiers |
| CSWP | Committee on the Status of Women in Physics |
| CT | Computed Tomography |
| CT | Conductivity Temperature |
| CT | Continuous Time |
| CTD | Central Tracking Detector |
| CTE | Controlled Tractive Effort |
| CTF | CLIC (Compact LInear Collider) Test Facility |
| CTM | Core Transport Model |
| CTMP | Chemi Thermo Mechanical Pulp |
| CTP | Center for Theoretical Physics |
| CTP | Classical Turning Point |