| Acronym | Meaning |
| IOC | Inorganic Chemical |
| BIB | Blocked Impurity Band |
| ITRI | Inhalation Toxicology Research Institute |
| UOT | Universal Oxidn. Test |
| AASIR | Advanced Atmospheric Sounding And Imaging Radiometer |
| EIR | Environmental Impact Report |
| IMSD | Information Management And Services Division |
| SCRF | Self-consistent Reaction Field |
| PSSR | Perturbed Stationary State With Relativistic Effects |
| CCA | Coupled-cluster Approach |