| Acronym | Meaning |
| RAINS | Regional Acidification Information And Simulation |
| ESA | Excited State Absorption |
| NRMRL | National Risk Management Research Laboratory |
| ABSA | American Biological Safety Association |
| CEMC | Canonical Ensemble Monte Carlo |
| MCD | Magnetic Circular Dichroism |
| GISS | Goddard Institute For Space Studies |
| NHLBI | National Heart |
| ONP | Old Newspaper |
| NCTR | National Center For Toxicological Research |