| Acronym | Meaning |
| CDDIS | Crustal Dynamics Data Information System |
| BOCV | Biorthogonality Constrained Variation Method |
| RHFS | Relativistic Hartree-Fock-Slater |
| HYPS | Hybrid Plasma Spraying |
| ETI | Environmental Testing Industry |
| IRAS | Infrared Astronomy Satellite |
| PROC | Photochemically Reactive Organic Compound(s) |
| HALS | Hindered-amine Light Stabilizers |
| AACC | American Association For Clinical Chemistry |
| FV-CAS-SCF | Full Valence-complete Active Space-SCF |