| Acronym | Meaning |
| FFTF | Fast Flux Test Facility |
| CAK | Cdk-activating Kinase |
| PIET | Photoinduced Intramolecular Electron Transfer |
| SCA | Specific Collection Areas |
| FOB | Fecal Occult Blood |
| SWORD | Surveillance Of Work Related And Occupational Respiratory Disease |
| PACS | Physics And Astronomy Classification Scheme |
| IGCI | Industrial Gas Cleaning Institute |
| MCNP | General Monte Carlo Code For Neutron And Photon Transport |
| NWR | National Wildlife Refuge |