| Acronym | Meaning |
| APDB | Antiphase Domain Boundary |
| SARM | Synthetic Analytical Reference Matrix (US EPA) |
| PAB | Pollutant Assessment Branch (US EPA) |
| PMC | Permanently Manned Capability (of Space Station) |
| RCRIS | Resource Conservation And Recovery Information System |
| CLIA-88 | Clinical Laboratory Improvement Amendments Of 1988 |
| BCV | Bovine Coronavirus |
| COP | Coefficient Of Performance |
| NMDR | Nuclear Magnetic Double Resonance |
| PAC | Polycyclic Aromatic Compound |