| Acronym | Meaning |
| LOMI | Low Oxidation-state Metal Ions |
| OERR | Office Of Emergency And Remedial Response |
| RMPM | Renormalized Multicenter Potential Model (for Scattering) |
| PMSR | Pairwise-mixing Stirred Reactor |
| CSA | Coupled-subshell Approxn. (in Calcns. On Inner-shell Ionization Collisions) |
| MAP2 | Microtubule-associated Protein 2 |
| EOF | Electroosmotic Flow |
| INDO/S | Intermediate Neglect Of Differential Overlap Screened Approxn. |
| TSMG | Top-seeded Melt Growth |
| EPKR | Electrochem. Polarization Kinetic Reactivation |