| Acronym | Meaning |
| WRAQS | Western Regional Air Quality Study |
| AGI | American Geological Institute |
| RMPROP | R-matrix Propagation |
| CQED | Cavity Quantum Electrodynamics |
| CPMCHF | Coupled Perturbed Multiconfiguration Hartree-Fock |
| ORF | Open Reading Frame (DNA Sequence) |
| IMPT | Intermolecular Perturbation Theory |
| PMAD | Power Management And Distribution (system) (of Space Station) |
| EIL | Electron Injection Layer |
| PBMS | Particle Beam Mass Spectrometry |