| Acronym | Meaning |
| RACI | Royal Australian Chem. Institute |
| CEPH | Centre D'Etudes Du Polymorphisme Humain |
| IHC | Intrinsic Coercivity |
| RCHF | Relaxed-core Hartree-Fock (approxn. In Calcns. On Mol. K-shell Excitation Spectra) |
| OSCCM | Open-shell Coupled-cluster Method (in Electronic Property Calcn.) |
| WEDM | Wire Electric Discharge Machining |
| AASHO | American Association Of State Highway Officials |
| NPP | Net Primary Productivity |
| AQM | Additive Quark Model |
| MEDO | Multipole Expansion Of Diatomic Overlap Approximation |