| Acronym | Meaning |
| TC-LIGS | Two-color Laser-induced Grating Spectroscopy |
| RIS | Rotational Isomeric State |
| OAM | Optical Absorption Microscope |
| ANSI | American National Standards Institute |
| APFU | Atoms Per Formula Unit |
| DRF | Dose Reduction Factor |
| FATT | Fracture-appearance Transition Temperature |
| SOMBT | Spin-orbital Many-body Theory |
| CCF | Correlation Crystal Field |
| MM | Misch Metal |