| Acronym | Meaning |
| UCEPA | Unitary Coupled Electron Pair Approximation |
| NTDB | National Trade Databank |
| STS | Slater Transition State (for Calcg. Electronic Transitions Of Atoms And Molecules) |
| RMA | Rocky Mountain Arsenal (Colorado) |
| GTT | Glucose Tolerance Test |
| MAGIC | Major Atmospheric Gamma Imaging Cherenkov |
| TAL | Threshold Ambient Level |
| HPTP | Human Protein Tyrosine Phosphatase |
| EMAS | European Microbeam Analysis Society |
| PWM | Pokeweed Mitogen |