| Acronym | Meaning |
| NBMO | Nonbonded Molecular Orbital |
| MPHF | Maximally Paired Hartree Fock |
| ALARP | As Low As Reasonably Practicable |
| CAM | Coupled Angular Modes (method In Calcns. On Electron Exchange Collisions) |
| FO-NACME | First-order Nonadiabatic Coupling Matrix Elements |
| LDQ | Linnett Double Quartet (equivalent To Nonpairing Spatial Orbital Theory) |
| TLCP | Thermotropic Liquid Crystal Polymer |
| OSEE | Optically Stimulated Electron Emission |
| CHESS | Cornell High-Energy Synchrotron Source |
| MEDO | Multipole Expansion Of Diatomic Overlap Approximation |