| Acronym | Meaning |
| MPI | Mass Psychogenic Illness (in Indoor Air Pollution) |
| TDRH | Time-dependent Rotated Hartree (theory) |
| OCSC | Orbital-charge-self-consistent (in Electronic State Calcn.) |
| NMC | New Muon Collaboration |
| BAW | Bulk Acoustic Wave |
| WHPA | Wellhead Protection Areas |
| BMS | Bristol-Myers Squibb |
| STAIRS | Storage And Information Retrieval System |
| CV | Calibrated Volume |
| XRR | X-ray Reflectometry |