| Acronym | Meaning |
| BODC | Born-Oppenheimer Diagonal Correction (in Mol. Calcns.) |
| VF | Valence Force (model In Bond Properties Calcns. In Solids) |
| MSA | Mineralogical Society Of America |
| FMOS | Flavin-containing Monooxygenases |
| HERL | Health Effects Research Laboratory |
| MCDW | Matrix Continuum Distorted Wave |
| EHF | Extended Hartree-Fock |
| NSWMA | National Solid Wastes Management Association |
| TFA | Total Fatty Acids |
| PFI | Pulsed Field Ionization |