| Acronym | Meaning |
| CAWAI | Commission On Atomic Weights And Isotope Abundances |
| NFAT | Nuclear Factor For Activated T Cells |
| NACCA | North American Council Of Chemical Associations |
| MSC | Multiplicative Scatter Correction |
| EXEFS | Extended X-ray Emission Fine Structure |
| AIF | Apoptosis-inducing Factor |
| QENS | Quasielastic Neutron Scattering |
| QWASI | Quantitative Water Air Sediment Interaction |
| EMAS | European Microbeam Analysis Society |
| PFWM | Parametric Four-wave Mixing |