| Acronym | Meaning |
| DNS | Determination Of Nonsignificance |
| CST | Charcoal Sorbent Tubes |
| EIT | EUV (extreme Ultraviolet) Imaging Telescope |
| AFRP | Advanced Fuel Recycle Program |
| CBEN | Center For Biological And Environmental Nan |
| HEPPS | 4-(2-hydroxyethyl)-1-piperazinepropanesulfonic Acid) |
| AIS | Acoustic Imaging System |
| EMA | Effective Mass Approxn. (for Impurity Energy Levels) |
| S/MTD | STOL Maneuvering Technology Demonstrator (program) |
| SHR | Spontaneously Hypertensive Rat |