| Acronym | Meaning |
| ISA | Ionic Strength Adjuster |
| ADAPTS | Air Deliverable Antipollution Transfer System |
| ATES | Aquifer Thermal Energy Storage |
| HCA | Hazardous Communication Act |
| BLE | Bombardment-induced Light Emission |
| IAM | Internal Axis Method (in Calcns. Of Rotational Excitation In Atom-mol. Collisions) |
| SNP | Sodium Nitroprusside |
| PMP | Powder Melting Process |
| TSMG | Top-seeded Melt Growth |
| U.S.C. | United States Code |