| Acronym | Meaning |
| MPW | Multiple Plane Wave (in Electronic-property For Metals) |
| AERMOD | AMS/EPA Regulatory Model |
| API | Air Pollution Index |
| MR-ACPF | Multireference-averaged Coupled Pair Functional |
| SBSL | Single-bubble Sonoluminescence |
| HBSS | Hanks' Balanced Salt Solution |
| MIMAS | MIcronization And MASter Blend |
| SPA | Self-consistent Phonon Approximation |
| OLGA | On-Line Gas Chemistry Apparatus |
| EPCRA | Emergency Planning And Community Response Act |