| Acronym | Meaning |
| UPS | Uninterrupted Power Systems (for Computer Networks) |
| UNDS | Uniform National Discharge Standards |
| DMPP | 1,1-dimethyl-4-phenylpiperazinium Iodide |
| FAS | Federation Of American Scientists |
| IBAD | Ion-Beam-Assisted Deposition |
| NBII | National Biological Information And Infrastructure |
| CFP | Coefficient Of Fractional Parentage (method In Quantum Calcns.) |
| FOE | First-order Exchange (in Electron-atom Scattering Calcn.) |
| ASCO | American Society Of Clinical Oncology |
| LOD | Limit Of Detection |