| Acronym | Meaning |
| RISM | Reference Interaction Site Model |
| LISA | Laser Interferometer Space Antenna |
| UVP | Ultrasonic Vibration Potential |
| IIR | Isobutylene Isoprene Rubber |
| TOM | Total Organic Matter |
| TMOS | Tetramethyl Orthosilicate |
| CTG | Control Technique Guidelines |
| KKRZ | Korringa-Kohn-Rostoker-Ziman (in Energy-band Calcns.) |
| HERA | Hadron Electron Ring Accelerator |
| PSRP | Process To Significantly Reduce Pathogens (of EPA) |