| Acronym | Meaning |
| ABLE | Activity Balance Line Evaluation |
| FUA | Fuel Use Act |
| AMS | Analysis Mass Spectrometer |
| OSTP | Office Of Science And Technology Policy |
| ASPEA | Association Suisse Pour L'Energie Atomique |
| UNESCO | United Nations Educational |
| XANADU | Software Name |
| SOR | Successive Over Relaxation |
| ORD | Office Of Research And Development |
| NEMS | Nimbus E Microwave Spectrometer |