| Acronym | Meaning |
| FOE | First-order Exchange (in Electron-atom Scattering Calcn.) |
| SBE | Single Base Extension |
| NSDWR | National Secondary Drinking Water Regulations |
| ISTS | Impulsive Stimulated Thermal Scattering [a Laser-based Ultrasonic Technique] |
| HSC | HAZMAT Spill Center |
| PSB | Photosynthetic Bacteria |
| PQFP | Plastic Quad Flat Package |
| SWAT | Soil Water Assessment Tool |
| SPRKKR | Spin-polarized Relativistic Korringa-Kohn-Rostoker |
| AVP | Arginine Vasopressin |