| Acronym | Meaning |
| QDWT | Quantum Density-wave Theory (in Theory Of Freezing Of Quantum Systems) |
| CFSTR | Continuous Flow Stirred Tank Reactor |
| YBCO | Yttrium Barium Copper Oxide |
| MRS | Monitored Retrievable Storage (for Radioactive Wastes) |
| PTCR | Positive Temperature Coefficient Of Resistance (of Semiconductors) |
| ECS | Energy-corrected Sudden (scaling Theory In Mol. Collisions) |
| FFTB | Final Focus Test Beam |
| ATG | Antithymocyte Globulin |
| ACFM | Actual Cubic Feet Per Minute |
| SCM | Shell-correction Method (in Calcns. For Metal Clusters) |