| Acronym | Meaning |
| IDP | Inosine 5'-diphosphate |
| ITTFA | Iterative Target Transformation Factor Analysis |
| CRIOSA | Classical Reactive Infinite Order Sudden Approxn. |
| AMC | Alkyd Molding Compound |
| SPR | Stroboscopic Pulse Radiolysis |
| HFEGE | Hara Free-electron-gas Exchange (potential) |
| PCILOCC | PCILO For Crystal Calculations |
| LHDAC | Laser Heated Diamond Anvil Cell |
| PGO | Phantom Group Orbital |
| HFA | Humic And Fulvic Acids |