| Acronym | Meaning |
| ANA | Adiabatic Nuclei Approximation (in Electron-mol. Scattering) |
| HMPAM | Hydrophobically Modified Polyacrylamide |
| ANCA | Anti-neutrophil Cytoplasmic Antibodies |
| HSBOW | Helical Spin Bond-order Wave |
| VZV | Varicella-zoster Virus |
| TBARS | Thiobarbituric Acid Reactive Substances |
| VEE | Venezuelan Equine Encephalitis |
| PINS | Portable Isotopic Neutron Spectroscopy |
| NDPD | National Data Processing Division |
| ANWR | Artic National Wildlife Refuge |