| Acronym | Meaning |
| IAHS | International Association Hydrological Sciences |
| PSID | Photon Stimulated Ion Desorption |
| TGDDM | Tetraglycidyl-4,4'-diaminodiphenyl Methane Epoxy |
| FLC | Ferroelec. Liq. Crystal |
| PSOM | Pseudostate Optical Model |
| SACF | Symmetry-adapted Configuration Function |
| ACBM | Asbestos Containing Building Material |
| VSD | Virtually Safe Dose |
| DMICS | Design Methods For Integrated Control Systems [propulsion] |
| ITTFA | Iterative Target Transformation Factor Analysis |