| Acronym | Meaning |
| QDVPT | Quasidegenerate Variational Perturbation Theory |
| HVA | Homovanillic Acid |
| RTP | Room Temperature Phosphorescence |
| OSTLS | Optical Saturation Thermal Lens Spectrometry |
| LCI-SCSCFMO | Limited Configuration Interaction Single-configuration SCF MO |
| BEIS | Biogenic Emissions Inventory System (US EPA) |
| IAEG | International Association Of Engineering Geology |
| GEIS | Generic Environmental Impact Statement |
| FEMA | Flavor Extract Manufacturers Association |
| CFSE | Crystal Field Stabilization Energy |