| Acronym | Meaning |
| QECISDTQ | Quadratic Size-extensive CISDTQ |
| PWBE | Plane-wave Born Approxn. With Exchange |
| UFM | Ultrasonic Force Microscopy |
| HOLZ | Higher Order Laue Zone |
| AAO | Amino Acid Oxidase |
| CCFOM | Charche-charge Flux-overlap Modified (model In IR Spectra Calcn.) |
| SXNO | Singly Excited Natural Orbital |
| RFEC | Remote Field Eddy Current |
| MZDO | Modified Zero Differential Overlap |
| SSAO | Semicarbazide-sensitive Amine Oxidase |