| Acronym | Meaning |
| ECSC | European Coal And Steel Community |
| HMPT | Hexamethylphosphoric Triamide |
| HADES | High Activity Disposal Exptl. Site [for Radioactive Waste] |
| WIPP | Waste Isolation Pilot Plant (for Nuclear Wastes) |
| HGHR | Human Growth Hormone Receptor |
| ES | Emission Spectroscopy (technique Suffix) |
| ASK | Apoptosis Signal-regulating Kinase |
| OEP | Optimized Effective-potential (quantum Method) |
| LPS | Laser Plasma Spectroscopy |
| UKB | Unrestricted Kinetic Balance (in Calcns. Of Wave Functions And Energies) |