| Acronym | Meaning |
| NMN | Nicotinamide Mononucleotide |
| PIMS | Process Information Management System |
| RAMS | Regional Air Monitoring System |
| ASAE | American Society Of Agricultural Engineers |
| GRWA | Generalized Rotating-wave Approxn. (in Energy Level Calcns.) |
| RRT | Regional Response Team |
| OMEX | Ocean Margin Exchange |
| NSLS | National Synchrotron Light Source |
| ISX | Insoluble Starch Xanthate (ion Exchanger For Wastewater Treatment) |
| IUPHAR | International Union Of Pharmacology |