| Acronym | Meaning |
| CCM | Chemical Cleavage Of Mismatch |
| PEMC | Pair-excitation Multiconfiguration (type Of Wave Function) |
| MSBAR | Molecular Structure-biological Activity Relationship |
| CEM | Corrected Effective Medium (for Atomic Interactions) |
| TNS | 6-p-Toluidino-2-naphthalenesulfonic Acid |
| SPFD | Simons-Parr-Finlan-Dunham (interat. Potential) |
| BABB | Back Arc Basin Basalt |
| DWPF | Defense Waste Processing Facility |
| EQCIS | Electrochemical Quartz Crystal Impedance System |
| RHFR | Relativistic Hartree-Fock-Roothaan |