| Acronym | Meaning |
| CBXT | Community-Based Clinical Trial |
| DOCKET | Enforcement Docket |
| ECBM | Extended Classical Over-barrier Model (in Calcns. On Inelastic Ion-atom Colisions) |
| SGM | Scale Glass Melter |
| TAD | Thermophilic Aerobic Digestion (of Sewage Sludge) |
| PT2F | Second-order Perturbation Theory (with) Fock (matrix) |
| AUBF | Anaerobic Upflow Biofilter |
| ETS | EPCRA 313 Tracking System |
| MMIC | Monolithic Microwave Integrated Circuit |
| DHS | Department Of Homeland Securitypar |