| Acronym | Meaning |
| MR-SAC | Multireference Symmetry-adapted-cluster (quantum Theory Or Wave Function For Mol. Calcns.) |
| MAREMF | MARtian Electrons And Magnetic Field |
| ROHF | Restricted Open-shell Hartree-Fock |
| UAM | Urban Airshed Model |
| CCMGA | Core-corrected Modified Glauber Approxn. (for Scattering) |
| CLC | Clean Lakes Clearinghouse |
| AECB | Atomic Energy Control Board |
| LFECA | Low Frequency Eddy Current Array |
| BHK | Baby Hamster Kidney |
| NEMI | National Environmental Methods Index |