| Acronym | Meaning |
| OTDR | Optical Time Domain Reflectometry |
| ERIS | Electrochemically Regenerated Ion Suppressors |
| TDI | Tolerable Daily Intake |
| GWF | Generalized Wannier Function |
| PANAK | Peroxyacetyl Nitrate Aldehyde Ketones |
| HPTLC | High-Performance Thin-Layer Chromatography |
| MRSD-CI | Multireference Single And Double Excitation CI |
| CYP | Cytochrome P450 |
| RNRA | Resonant Nuclear Reaction Analysis |
| F4 | Fourth-order Feenberg (quantum Theory) |