| Acronym | Meaning |
 | IMS | Incomplete Model Space (in Many-body Calcns.) |
 | RBE | Relative Biological Effectiveness |
 | CIDNP | Chemically Induced Dynamic Nuclear Polarization |
 | SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
 | LCR | Ligase Chain Reaction |
 | EVA | Extravehicular Activity (related To Spacecraft) |
 | CADRE | Computer Aided Data And Retrieval And Evaluation Software |
 | BIOS | Biological Innovation For Open Society |
 | GLWQA | Great Lakes Water Quality Agreement |
 | BSPT | Blizzard Santry Perturbation Theory |