| Acronym | Meaning |
| EMA | Electron Microprobe Analysis |
| PPAC | Parallel-plate Avalanche Counter |
| PEK | Poly(ether Ketone) |
| LAXS | Large-angle X-ray Scattering |
| EPMA | Electron Probe Microanalysis |
| TIU | Technical Information Unit |
| AGI | American Geological Institute |
| NMA | Nuclear Microanalysis |
| AADO | Angular (momentum Conservation) Average Dipole Orientation Theory (in Io-mol. Reactions) |
| IAEH | International Association For Environmental Hydrology |