| Acronym | Meaning |
| PEN | Polyethylene Naphthalate |
| DCP | Dual Circular Polarization |
| IMROX | Immersed Rotation Oxidation |
| HSIA | Halogenated Solvents Industry Alliance |
| GTF | Gaussian-type (wave) Function |
| TMAH | Tetramethylammonium Hydroxide |
| CCDZP | Correlation-consistent Double-zeta (plus) Polarization (basis Set) |
| NRO | Natural Reaction Orbital |
| ULFM | Unified Ligand Field Model (for Mol. Electronic Energies) |
| ELKM | Extended Lumped Kinetic Model |