| Acronym | Meaning |
| TDI | Tolerable Daily Intake |
| DSA | Dynamic Simulated Annealing (for Electronic Structure In Liq.metals) |
| IRPTC | International Register Of Potentially Toxic Chemicals |
| GFF | Glass Fiber Filter |
| GCP | Good Clinical Practice |
| SWANA | Solid Waste Association Of North America |
| UCI | Ultrasonic Contact Impedance |
| HLAO | High-lying Antibonding Orbital |
| NADW | North Atlantic Deep Water |
| HMPAM | Hydrophobically Modified Polyacrylamide |