| Acronym | Meaning |
| SCOPW | Self-consistent Orthogonalized Plane Wave |
| COD | Chemical Oxygen Demand |
| IRP | Installation Restoration Program |
| FWHP | Full Width At Half Peak |
| LMMS | Laser-microprobe Mass Spectrometry |
| FSGF | FREEON Symmetric Group Formulation (of Hartree-Fock Theory) |
| IRIS | Incorporated Research Institutes For Seismology |
| BCV | Bovine Coronavirus |
| MNDO-HE | Modified Neglect Of Diatomic Overlap-half Electron |
| EDR | Electrodialysis Reversal |