| Acronym | Meaning |
| IRCWD | International Reference Center For Waste Disposal |
| MNOS | Metal-nitride Oxide Semiconductor |
| ACRS | Advisory Committee On Reactor Safeguards |
| LEMO | Lowest Empty Molecular Orbital (equivalent To LUMO) |
| SCE | Self-consistent Energy (method In At. And Mol. Calcns. With An Einsteinian Relativistic Theory |
| SSAO | Semicarbazide-sensitive Amine Oxidase |
| PMT | Pasteurella Multocida Toxin |
| RTDF | Remediation Technologies Development Forum |
| SUSTECH | Sustainable Technologies Initiative [European Communities] |
| MC-CEPA | Multiconfigurational CEPA |