| Abbreviation | Definition |
|---|---|
| CNEM | Center for Nanostructured Electronic Materials |
| CNL | Compensating Non Leaking |
| CNR | Clutter to Noise Ratio |
| CNS | Central Nervous System |
| CNTRL | Control |
| COA | Change Of Amplification |
| COB | Chip On Board |
| COC | Cost Of Consummables |
| COCO | Control and Observation of Circuit Optimization |
| CODEC | CODer- DECoder |
| COED | Computer Optimized Experimental Design |
| COEE | Center of Electronics Excellence |
| COEO | Coupled Opto Electronic Oscillator |
| COFDM | Coded Orthogonal Frequency Division Multiplexing |
| COG | Chip On Glass |
| COI | Charge Ordered Insulating |
| COL | Characteristic Orange Luminescence |
| COM | COMmunications (port) |
| COMET | City Optimized Managed Electric Transport |
| COMSOC | IEEE Communications Society |