| Acronym | Meaning |
| ICNZ | International Committee On Natural Zeolites |
| IEM | Interstitial Electron Model |
| GAMETAG | Global Atmospheric Measurements Experiment Of Tropospheric Aerosols And Gases |
| BCSLN | Bardeen-Cooper-Schrieffer-Lipkin-Nogami (model In Calcns. On Molecules With Quantum Field Theory) |
| DMF | Drug Master File |
| DSA | Digital Subtraction Angiography |
| ERIIS | Environmental Risk Information And Imaging Services |
| HEDG | High Efficiency Deep Grinding |
| MP3 | Moeller-Plesset Third-order Perturbation Theory |
| SIR-C | Spaceborne Imaging Radar-C |