| Acronym | Meaning |
| PSA-CCSD | Partially Spin Adapted-CCSD |
| RFGE | Rotating-field Gel Electrophoresis |
| SPHF | Spin-polarized Hartree-Fock |
| IMF | Interplanetary Magnetic Field |
| CFMM | Continuous Fast Multipole Method (algorithm For Coulomb Interactions Among Charge Distributions) |
| GLT | Geochemical Logging Tool |
| AQL | Acceptable Quality Levels |
| GRO | Gasoline-range Organics |
| ROBK2 | Relativistic Second-order Oppenheimer-Brinkman-Kramers (in Ion-scattering Calcns.) |
| CSM | Continuum Solvation Model |