| Acronym | Meaning |
| PDI | Point Dipole Interaction (model For Mol.-polarizability Calcns.) |
| GDP | Glow Discharge Plasma (for Atomic Emission Spectrometry) |
| EMOA | Extended Maximum Overlap Approximation |
| AFBR | Anaerobic Fluidized-bed Reactor |
| DOCC | Description Of Current Conditions |
| SICM | Scanning Ion-conductance Microscopy |
| ASTEX | Atlantic Stratus Transition Experiment |
| HD | Hydrogen Damage |
| CMS | Comprehensive Modeling System |
| RELMA | Remote Laser Microanalysis |