| Acronym | Meaning |
| STAPPA | State And Territorial Air Pollution Program Administrators |
| EYFP | Enhanced Yellow Fluorescent Protein |
| PRP | Prion Protein |
| RON | Research Octane Number |
| PPP | Positron Polarization Potential |
| MCS | Management Control System |
| CREMSEE | Cyclotron Resonance From Microwave-induced Secondary Electron Emissions |
| CINDORU | Unified Cluster INDO |
| SRD | Standard Reference Data |
| SUPREX | Stability Of Unpurified Proteins From Rates Of H/D Exchange |