| Acronym | Meaning |
| CAAT | Johns Hopkins Center For Alternatives To Animal Testing |
| SAMSON | Severe Accident Management System Online Network |
| USRA | Universities Space Research Association |
| ASOG | Anal. Soln. Of Groups |
| NEDS | National Emission Data System (USEPA) |
| SUMO | Small Ubiquitin-related Modifier |
| GHRF | Growth Hormone-releasing Factor |
| BCSCO | Bismuth Calcium Strontium Copper Oxide |
| QLUC | Quasimolecular Large Unit Cell (model For Electronic-structure Calcns. On Solids) |
| FABP | Fatty Acid-binding Protein |