| Acronym | Meaning |
| NCAP | Nematic Curvilinear Aligned Phase |
| MMI | Mucous Membrane Effects |
| PGNAA | Prompt Gamma Neutron Activation Analysis |
| IEC | Ion-exchange Chromatography |
| ELO | Equivalent Localized Orbitals |
| TTFA | Target Transformation Factor Analysis |
| LDR | Low Dose Radiation |
| DRCR | Dynamic Recrystallization Controlled Rolling |
| IAEH | International Association For Environmental Hydrology |
| IUBS | International Union Of Biological Sciences |