| Acronym | Meaning |
| HRCT | High-Resolution Computed Tomography |
| IOS-BS | Infinite Order Sudden-breathing Sphere |
| IGAIM | Individual Gages (for) Atoms In Molecules |
| SEC | Sulfite Evaporator Condensate |
| IVGTT | Intravenous Glucose Tolerance Test |
| CS | Configuration Space (in Wave Functions) |
| MNDOC | Modified Neglect Of Diatomic Overlap Correlated |
| HPPM | Hole-particle Potential Model (in Mol. Excited States Calcns.) |
| TSS | Total Suspended Solids |
| PDDO | Projection Of Diatomic Differential Overlap |