| Acronym | Meaning |
| HIV | Human Immunodeficiency Virus |
| WQA | Water Quality Association |
| CPMAS | Cross Polarization Magic Angle Spinning (C-13 NMR) |
| NBACC | National Biodefense Analysis And Countermeasures Centerpa |
| WSM | Watershed Model |
| DDRP | Direct Delayed Response Program (for Long Term Effects Of Acid Rain) |
| ANG II | Angiotensin II |
| IDIMS | Interactive Digital Image Manipulation System |
| PDA | Photodiode Array |
| MESQUAC-MO | Mixed Electrostatic Quantum Chemical Calculation-MO |