| Acronym | Meaning |
| HYSCORE | Hyperfine Sublevel Correlation Spectroscopy |
| PGHS | Prostaglandin H Synthase |
| SC-SEA | Single-channel Static-exchange Approximation |
| NSSS | Nuclear Steam Supply System |
| NOPES | Nonoccupational Pesticide Exposure Study |
| BCCP | Biotin Carboxyl-carrier Protein |
| ORD BBS | ORD Electronic Bulletin Board System |
| HAPEM | Hazardous Air Pollutant Exposure Model |
| STOVL | Short Take-Off And Vertical Landing |
| DSS | Deep Seismic Sounding |