| Acronym | Meaning |
| ESDIAD | Electron Stimulated Desorption Of Ion Angular Distribution |
| QPEN | Quantum-mech. Potential (based On Interactios Of) Electrons (and) Nuclei |
| EDC | Electron Energy Distribution Curve |
| RIOSA | Rotational Infinite Order Sudden Approxn. |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| FSCT | Federation Of Societies For Coatings Technology |
| CSD | Chemical Solution Deposition |
| SGWD | Submarine Groundwater Discharge |
| CCSD(T) | Coupled-cluster (with) Single (and) Double (and Perturbative) Triple (excitations) |
| EK | Extended Koopmans (method In Ionization Potential Calcns.) |