| Acronym | Meaning |
| ARF | ADP-ribosidation Factor |
| IRP | Internal Reflection Photolysis |
| R&D | Research And Development |
| RUP | Restricted Use Pesticide |
| ECIA | Electrochemical Immunoassays |
| STNAA | Short Time Neutron Activation Analysis |
| NGST | Next Generation Space Telescope |
| LUFT | Leaking Underground Fuel Tank |
| MEMTB | Many-electron Mol. Tight-binding (for Electronic Structures) |
| ECCES | Environmental Calculations Of Consequences From Energy Systems (model) |