| Acronym | Meaning |
| BAW | Bond-order Alternation Wave (mol. Orbital) |
| MCXD | Magnetic Circular X-ray Dichroism |
| ADA | American Diabetes Association |
| IMPACT | Integrated Model Of Plumes And Atmosphere In Complex Terrain |
| HBN | Hexagonal Boron Nitride |
| NRHF | Numerical Restricted Hartree-Fock |
| VSM | Variable Screening Model (for Quasimols. And MO Correlation Diagrams) |
| PPG | Polypropylene Glycol |
| SRXPS | Spin-resolved X-ray Photoelectron Spectroscopy |
| PHF-OCE | Perturbative Hartree-Fock One-center Expansion |