| Acronym | Meaning |
| PVB-CSF | Projected Valence Bond-configuration State Function |
| PCMI | Pellet Cladding Mechanical Interaction |
| CCM | Coupled-cluster Method (for Energy Level Calculations) |
| SOP/EA | Split-operator Propagator (for) Electronically Adiabatic (phenomena) |
| BALR | Broad Absorption Line Region |
| MDV | Marek's Disease Virus |
| ESD | Electron-stimulated Desorption |
| VOST | Volatile Organic Sampling Train |
| IACE | Immunoaffinity Capillary Electrophoresis |
| HSF | Hiller-Sucher-Feinberg (equation For Calcn. Of Spin Densities And Charge Densities In Mols.) |