| Acronym | Meaning |
| ZRPA | Zero-range Potential Approximation |
| SAAO | Symmetry-adapted Atomic Orbital |
| HWDU | Hazardous Waste Disposal Unit |
| NCLAP | National Crop Loss Assessment Program |
| PF | Pulverized Fuel |
| SSL | Spent Sulfite Liquor |
| FIB | Focused Ion Beam |
| LPED | Low-pressure Electric Discharge |
| LCI | Life Cycle Inventory |
| HTLV | Human T-lymphotropic Virus |