| Acronym | Meaning |
| MOSO | Maximum Overlap Symmetry Orbital (MO For Mols.) |
| PESO | Potentiometric Evaluation Of Substrate Oxidation |
| LMTO | Linear Muffin-tin Orbital |
| EDW | Exponential Distorted Wave Approximation |
| ADPI | Air Diffuser Performance Index |
| SPEELS | Spin-polarized Electron Energy Loss Spectroscopy |
| PA | Photoinduced Absorption |
| RHC | Rubber Hydrocarbon Content |
| IRPDS | Infrared Photothermal Deflection Spectroscopy |
| NPSO | Nonpaired Spatial Orbital |