| Acronym | Meaning |
| SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
| CIT | California Institute Of Technology |
| LBD | Ligand Binding Domain |
| GRRR | Graduated Response For Risk Reduction |
| BFU-E | Burst-forming Unit-erythroid |
| EPEC | Enteropathogenic Escherichia Coli |
| SAP | Scientific Advisory Panel (FIFRA) |
| MR-CCI | Multireference Contracted Configuration Interaction |
| APS | Appearance Potential Spectroscopy |
| PMP | Project Management Plan |