| Acronym | Meaning |
| DPT | Diffuse Phase Transition |
| CNP | C-type Natriuretic Peptide |
| CREG | Cross-reactive Group |
| PEEM | Panel Of Experts On Environmental Management |
| AQO | Average Quadrupole Orientation |
| WBGT | Wet Bulb Global Temperature |
| MARS | Membrane Anaerobic Reactor System |
| IMSD | Information Management And Services Division |
| ZAAS | Zeeman Atomic Absorption Spectroscopy |
| MIKES | Mass-analyzed Ion-kinetic Energy Spectrometry |