| Acronym | Meaning |
| FNAL | Fermi National Accelerator Laboratory |
| APRR | Adiabatic Passage Rotational-resonance |
| IRI | Industrial Research Institute |
| WQI | Water Quality Index |
| AFPB | Asymmetric Four-point Bend Test |
| RSRM | Reusable Solid Rocket Motor |
| DARA | Disposal Area Remedial Action |
| EXRHF | Extended Restricted Hartree-Fock |
| GLERL | Great Lakes Environmental Research Laboratory |
| ORF | Open Reading Frame (DNA Sequence) |