| Acronym | Meaning |
| SEDRA | Simple Excitation For The Dephasing Of Rotational-echo Amplitudes |
| MSC | Molecular Simulated Crystal Method (in Compton Profile Calcns.) |
| MEOR | Microbially Enhanced Oil Recovery |
| TNFSF | Tumor-necrosis Factor Superfamily |
| CAPP | Computer Aided Process Planning |
| PRDA | Program Research And Development Announcement |
| ESI | Electrospray Ionization |
| SOMO | Semioccupied Molecular Orbital |
| FI | Field Ionization |
| CELIAS | Charge, Element And Isotope Analysis System |