| Acronym | Meaning |
| BLMO | Boys Localized Molecular Orbital |
| PWSB | Plane-wave Second Born |
| AHM | Average Hamiltonian Model Method |
| ADA | American Diabetes Association |
| BIV | Bovine Immunodeficiency Virus |
| FIRST | Faint Images Of The Radio Sky At Twenty Centimeters |
| PCILOCC | PCILO For Crystal Calculations |
| CSFV | Classical Swine Fever Virus |
| NDCEE | National Defense Center For Environmental Excellence |
| GEMS | General Energy And Material Balance System [model] |