| Acronym | Meaning |
| TNLCD | Twisted Nematic Liquid Crystal Display |
| FFIS | Federal Facilities Information System |
| BRS | Biennial Reporting System |
| STP | Slater-transform-preuss (wave Functions) |
| AAAS | American Academy Of Arts And Sciences |
| SCT | Salmon Calcitonin |
| MSM | Multishell Method |
| CGTB | Cellular And Genetic Toxicology Branch |
| QHA | Quasi-harmonic Approxn. (in Intramol. Vibrational Relaxation) |
| AATSR | Advanced Along-Track Scanning Radiometer |