| Acronym | Meaning |
| TSM | Thickness Shear Mode |
| COP | Coefficient Of Performance |
| MDHS | Methods For The Determination Of Hazardous Substances |
| DSIP | Delta-sleep Inducing Peptide |
| ICAME | International Commission On Application Of Moessbauer Effect |
| LD | Laser Desorption |
| POPCORN | Photo-Oxidant Formation By Plant Emitted Compds. And OH Radicals In North-Eastern Germany |
| BLMO | Best Limited Basis Molecular Orbital |
| IWMIS | INEL Industrial Waste Management Information System |
| RPD | Relative Percent Difference |