| Acronym | Meaning |
| LPS | Liquid-phase Sintering |
| VFF | Valence Force Field (in Electronic-structure Calcns.) |
| PO-MO | Pars Orbital-MO |
| RD/RA | Remedial Design/Remedial Action |
| UKAWRG | United Kingdom Acid Waters Review Group |
| SGBD | Steam Generator Blowdown |
| SCCEH | Self-consistent Charge Extended Hueckel Method |
| ACEC | Areas Of Critical Environmental Concern |
| CCAA | Canadian Clean Air Act |
| DQT | Dissipative Quantum Tunneling (theory) |