| Acronym | Meaning |
| LET | Linear Energy Transfer (in Spacecraft Power Systems) |
| CWM | Center For Waste Management |
| PMLG | Phase Modulated Lee-Goldburg (NMR Spectrometry) |
| FABMS | Fast Atom Bombardment Mass Spectrometry |
| OCEE | Overlap Corrected Electronegativity Equalization |
| VMD | Vacuum Membrane Distillation |
| HOE | Holographic Optical Element |
| NNDO | Neglect Of Nonbonded Differential Overlap |
| RGB | Red Giant Branch (star) |
| DRPA | Direct Random Phase Approximation |