| Acronym | Meaning |
| AA | Activation Analysis |
| GID | Grazing Incidence Diffraction |
| MR-CI-PS | Multireference-CI-perturbatively Selected |
| AF | Audio Frequency |
| ECRR | Energy-corrected Rigid-rotor Approximation |
| QSO | Quasistellar Objects |
| CLS | Cathodoluminescence Spectroscopy |
| RADW | Rotationally-adiabatic Distorted-wave |
| ERT | Effective-range Theory (in Mol. Calcns.) |
| AKDQ | Aluminum-killed Drawing Quality |