| Acronym | Meaning |
| BLR | Broad Line Region |
| ERL | Environmental Research Laboratory |
| MNDO | Modified Neglect Of Differential Overlap |
| DAEM | Distributed Activation Energy Model |
| RRIM | Reinforced Reaction-injection Molding |
| MPI | Multiphoton Ionization |
| HADES | High Activity Disposal Exptl. Site [for Radioactive Waste] |
| IAC | Immunoaffinity Chromatography |
| CGDE | Contact Glow Discharge Electrolysis |
| LCM | Life Cycle Management |