| Acronym | Meaning |
| WSIA | Water Supply Improvement Association |
| LBW | Laser-beam Welding |
| SSL | Spent Sulfite Liquor |
| PRP | Potentially Responsible Party (Superfund) |
| GDI | Gasoline Direct Injection |
| DWB2 | Second-order Distorted-wave Born |
| PHEMT | Pseudomorphic High Electron Mobility Transistor |
| BPB | Blood Lead |
| URV | Unit Risk Value |
| SAMBA | Satellite For Measurement Of Background Anisotropies |