| Acronym | Meaning |
| API | American Petroleum Institute |
| EMTS | Environmental Monitoring Testing Site |
| CART | Cocaine And Amphetamine Regulated Transcript |
| TBP | Tributyl Phosphate |
| RHFS | Relativistic Hartree-Fock-Slater |
| ABR | Anaerobic Baffled Reactor (for Wastewater Treatment) |
| SNR | Supernova Remnant |
| HCF | High-cycle Fatigue |
| CHARM | Coupled Hydrosphere-Atmosphere Research Model |
| DOMO | Doubly Occupied Molecular Orbital |