| Acronym | Meaning |
| LCGTO-FF | LCGTO-fitting Function |
| TSO | Time Sharing Option |
| AOU | Apparent Oxygen Utilization |
| ITC | International Translation Center |
| STLS | Singwi-Tosi-Land-Sjolander (generalized Random-phase Approxn. For Effective Pair Potentials Of Liq. Metals) |
| NPAPS | Non-phase Alternation Pulse Sequence |
| ECP | Exponential Corrugated Potential |
| HAGIS | Headspace Analysis Gas-phase Infrared Spectroscopy |
| ABWR | Advanced Boiling Water Reactor |
| AST | Aboveground Storage Tank |