| Acronym | Meaning |
| CADW | Converged-adiabatic Distorted-wave (quantum Calcn. Method) |
| VSEPR | Valence-shell Electron-pair Repulsion |
| QECISDTQ | Quadratic Size-extensive CISDTQ |
| BDST | Bed-depth Service Time |
| MDL | Method Detection Level Or Limit |
| ASPCR | Allele-specific Polymerase Chain Reaction |
| FETI | Fire, Explosion And Toxicity Index |
| ATD | Alzheimer Type Dementia |
| ART | Absolute Rate Theory |
| WBEPM | Weakest Bound Electron Potential Model (theory In Calcns. Of Ionization Potentials) |