| Acronym | Meaning |
| TGTF | Trigonometric Gaussian-type Function |
| CTAC | Counterdrug Technology Assessment Center |
| RMPP | Risk Management And Prevention Program |
| DART | Developmental And Reproductive Toxicology Database (NLM) |
| EMII | Enriched Mantle Component 2 (of S. R. Hart |
| TTL | Transistor-transistor Logic |
| CCI | Charge Contrast Imaging |
| NHEXAS | National Human Exposure Assessment Survey |
| DQT | Dissipative Quantum Tunneling (theory) |
| MVEL | Motor Vehicle Emission Laboratory |