| Acronym | Meaning |
| SIC | Silicon Integrated Circuit |
| AD | Alzheimer Disease |
| MCD | Magnetic Circular Dichroism |
| DARTAB | Dose And Risk Assessment Tabulation |
| RAM | Random Access Memory |
| PITST | Path Integral Transition State Theory |
| NSH | Normalized Spherical Harmonic (hamiltonian) |
| BEFS | Berkeley Extreme And Far-UV Spectrometer |
| NAEG | Nevada Applied Ecology Group (of US Department Of Energy) |
| EHW | Extremely Hazardous Waste |