| Acronym | Meaning |
| ARSCF | Approximate Relativistic SCF |
| ASW | Axial Spin Wave (type Of Hartee-Fock Wave Function) |
| QLUC | Quasimolecular Large Unit Cell (model For Electronic-structure Calcns. On Solids) |
| OR | Odds Ratio |
| DIET | Desorption Induced By Electronic Transitions |
| TOFA | Tall Oil Fatty Acids |
| TPOT | Two-parameter Omega Technique |
| NBOD | Nitrogenous Biochemical Oxygen Demand |
| CPCPI | Chemical Protective Clothing Performance Index |
| NLMO | Nonorthogonal Localized Molecular Orbital |