| Acronym | Meaning |
| CEI | Cation Exchange Index |
| TTO | Transient Tracers In The Ocean |
| COMFET | Conductivity-modulated Field Effect Transistor |
| LPGD | Low-pressure Gas Discharge |
| CID | Configuration Interaction With Double Substitution |
| WDF | Wigner Distribution Function (in Study Of Quantum Dynamics) |
| GFP | Green Fluorescent Protein |
| MCP | Major Capsid Protein |
| SLG | Strictly Localized Geminal |
| FUSRAP | Formerly Utilized Sites Remedial Action Program (radioactive Materials Related) |