| Acronym | Meaning |
| RIP | RCRA Implementation Plan |
| ICF | Inertial Confinement Fusion |
| ECI | Size-extensive CI |
| SANDER | Simulated Annealing With NMR-derived Energy Restraints |
| KBDS | Knowledge-based Design System |
| AERC | Association Of Ecosystem Research Centers |
| DZDP | (double Zeta)-diffuse-polarization (basis Set In Configuration-mixing Mo Calcns. On Mols.) |
| TBARS | Thiobarbituric Acid Reactive Substances |
| TISAB | Total Ionic Strength Adjustment Buffer (for Fluoride) |
| SAGE | Soviet-American Gallium Experiment |