| Acronym | Meaning |
| REE | Rare Earth Element(s) |
| OMNIS | Observatory For Multiflavor Neutrinos From Supernovae |
| SCTDA | Separated Channel Tamm-Dancoff Approxn. |
| CMAQ | Community Multiscale Air Quality |
| TSA | Toluenesulfonic Acid |
| IDDM | Insulin-dependent Diabetes Mellitus |
| TFT | Thin Film Transistor |
| GRHF | Generalized Restricted Hartree-Fock |
| AU | Astronomical Unit |
| CDBF | Chlorinated Dibenzofurans |