| Acronym | Meaning |
| CCPPA | Coupled-cluster Polarization-propagator Approxn. |
| LBF | Local Basis Function Method (for Solid State Band Structure) |
| EFPD | Effective Full Power Day |
| HCS | High Content Screening |
| DHF | Derivative Hartree-Fock (quantum Theory In Calcns. On Mols.) |
| MERIE | Magnetically Enhanced Reactive Ion Etching |
| MPI | Modified Perturbation Iteration |
| CERCLIS | Comprehensive Environmental Response |
| ATF | Automatic Transmission Fluid |
| EIS | Environmental Impact Statement |