| Acronym | Meaning |
| HFSE | High Field Strength Element(s) |
| SRS | Stimulated Raman Scattering |
| IMPPT | Intermolecular Moeller-Plesset Perturbation Theory |
| TRI-US | Toxic Release Inventory-User Support |
| CCCLC | Complex-coordinate Coupled-Landau-channel (method In Calcns. On Autoionizing Resonances) |
| RBCOD | Readily Biodegradable Chemical Oxygen Demand |
| FGAN | Fertilizer Grade Ammonium Nitrate |
| RFA | Renormalized Free Atom (model |
| SCAMPI | Statistical Classification Of Activities Of Molecules For Pharmacophore Identification |
| HMBP | Hazardous Materials Business Plan |