| Acronym | Meaning |
| FSR | Fractional Synthesis Rate |
| PKR | Protein Kinase R |
| HSD | Hyperspherical Diabatic (wave Functions) |
| QUE | Quantized Universal Enveloping (algebras In Mol. Vibrational Spectra Calcns.) |
| DBR | Distributed Bragg Reflector |
| RFGD | Radio-frequency Glow Discharge |
| GFAA | Graphite Furnace Atomic Absorption |
| ICRP | International Commission On Radiological Protection |
| MLCK | Myosin Light Chain Kinase |
| ACRS | Advisory Committee On Reactor Safeguards |