| Acronym | Meaning |
| GHF | Generalized Hellmann-Feynman (theorem) |
| MPR | Mannose Phosphate Receptor |
| ECHO | European Community Host Organization |
| UCAR | University Corporation For Atmospheric Research |
| PTNO | Perturbation Theory Natural Orbital |
| CWA | Clean Water Act |
| ASODN | Antisense Oligodeoxynucleotide |
| CSE | Capillary Sieving Electrophoresis |
| EIAP | Environmental Impact Analysis Process |
| LOD | Loss On Drying |