| Acronym | Meaning |
| TMDL | Total Maximum Daily Load |
| RKRVL | Rydberg-Klein-Rees-Vanderslice-Lakshman (for Potential Energy) |
| AAQS | Ambient Air Quality Standard (USEPA) |
| NPCVD | Normal Pressure Chemical Vapor Deposition |
| RAN | Residual Acrylonitrile |
| OFDR | Off-frequency Decoupling Resonance |
| AICS | Australian Inventory Of Chemical Substances |
| SEE | Static Exact Exchange (approxn. In Electron-mol. Scattering) |
| HAO | Hydrogenic Atomic Orbital |
| SWM | Statistical Wave Function Model (for Highly Excited Vibrational Levels Of Mols.) |