| Acronym | Meaning |
| WQI | Water Quality Index |
| MRA | Magnetic Resonance Angiography |
| ESS | Environmental Sampling For Safeguards |
| OPPE | Office Of Policy |
| BRSV | Bovine Respiratory Syncytial Virus |
| FD | Field Desorption |
| APTT | Activated Partial Thromboplastin Time |
| FIOH | Finnish Institute Of Occupational Health |
| SAW | Self-avoiding Walk [modeling] |
| HBN | Hexagonal Boron Nitride |