| Acronym | Meaning |
| RTG | Radioisotope Thermoelec. Generators |
| OPCW | Organization For Prohibition Of Chemical Weapons |
| CLIP | Corticotropin-Like Intermediate-lobe Peptide |
| OBS-MCSC | Optimized Basis Set-multiconfiguration Spin Coupled |
| ATS | Applied Technology Satellite |
| TRD | Transition Radiation Detector |
| NIES | National Institute For Environmental Studies (Japan) |
| CIAQ | Council On Indoor Air Quality |
| UMP2 | Unrestricted Moeller-Plesset 2nd-order (perturbation Theory) |
| HSGFET | Hybrid Suspended Gate Field Effect Transistor |