| Acronym | Meaning |
| PAPP-A | Pregnancy-associated Plasma Protein A |
| CGR | Coliform Growth Response |
| UARP | Upper Atmospheric Research Program |
| NAEG | Nevada Applied Ecology Group (of US Department Of Energy) |
| PPT | Parts Per Trillion |
| GAD | Glutamic Acid Decarboxylase |
| IEET | Intramolecular Electronic Energy Transfer |
| CASSCF | Complete Active Space-self Consistent Field |
| ERIS | Electrochemically Regenerated Ion Suppressors |
| LVP | Left Ventricular Pressure |