| Acronym | Meaning |
| SMA | Specific Methanogenic Activity |
| KOPRA | Karlsruhe Optimized And Precise Radiative Transfer Algorithm |
| RPE | Retinal Pigment Epithelium |
| PRFT | Partially Relaxed Fourier Transform |
| UEATC | European Union For Technical Agreements In Construction (French; L'Union Europeenne Pour L'Agrement Technique Dans La Construc |
| ICF-CI | Interacting Correlated Fragment-CI (wave Function) (see Also SA-MCSCF) |
| AFP | Atomic Fues Potential |
| RIP | Rapid Isothermal Processing |
| ICSC | International Chemical Safety Card |
| APD | Azimuthal Photoelectron Diffraction |