| Acronym | Meaning |
| FPLS | Field-programmable Logic Switch |
| IMPT | Intermolecular Perturbation Theory |
| CEM | Corrected Effective Medium (for Atomic Interactions) |
| GM | Geometric Mean |
| GIRM | Generalized Internal Reference Method |
| BSQ | Boson Second Quantization |
| OSHA | Occupational Safety And Health Act Or Administration |
| ASMO | Antisymmetrical Molecular Orbital |
| UHF-AA | Unrestricted Hartree-Fock (with Spin) Annihilation |
| PXR | Parametric X-ray |