| Acronym | Meaning |
| BS | Breathing Sphere (approxn. In Mol.-scattering Calcns.) |
| FV-MC-SCF | Full Valence Multiconfiguration Self-consistent Field |
| ATD | Alzheimer Type Dementia |
| CADD | Computer Aided Drafting And Design |
| MR-SAC | Multireference Symmetry-adapted-cluster (quantum Theory Or Wave Function For Mol. Calcns.) |
| ADPT | Auger Depth Profiling Technique |
| FMO | Floating Molecular Orbital |
| IMPEACH-MBC | Improved Performance Accordion Heteronuclear Multiple-bond Correlation |
| MORB | Mid-ocean Ridge Basalt |
| ZQC | Zero-quantum Coherence |