| Acronym | Meaning |
| IVC | Inferior Vena Cava |
| HITRAN | High-Resolution Transmission Molecular Absorption Database |
| RCNDO/S | Rydberg CNDO/screened |
| CP-LSDA | Car-Parrinello Local Spin Density Functional |
| NERAC | New England Research Applications Center |
| GSI | Gesellschaft Fuer Schwerionenforschung |
| GICS | Grants Information And Control System |
| TOF | Time Of Flight |
| ESDIM | Earth System Data And Information Management |
| OGWDW | Office Of Ground Water And Drinking Water |