| Acronym | Meaning |
| APS | Aerodynamic Particle Sizer |
| CWTI | Chemical Waste Transportation Institute |
| GDR | German Democratic Republic |
| HPS | High Pressure Plasma Spraying |
| DOSY | Diffusion-ordered Spectroscopy (NMR) |
| CAD | Collisionally Activated Dissociation |
| ICHAZ | Intercritical Heat-affected Zone |
| IAPA | Independent Asymptotic Pair Approxn. (in Electronic Structure) |
| SMOC | Standard Mean Ocean Chloride |
| MDF | Medium-density Fiberboard |