| Acronym | Meaning |
| ELA | Experimental Lakes Area (northwest Ontario) |
| CEI | Cation Exchange Index |
| CESARS | Chemical Evaluation Search And Retrieval System |
| PSP | Pressure-sensitive Paint |
| AIMP | Ab Initio Model Potential (for Valence-electron Mol. Calcns.) |
| VOD | Vacuum-oxygen Decarburization |
| TDO | Truncated Diatomic Orbital (a MO) |
| AASIR | Advanced Atmospheric Sounding And Imaging Radiometer |
| PCID | Point-charge-induced-dipole (model |
| PESIS | Photoelectron Spectroscopy Of The Inner Shell |