| Acronym | Meaning |
| HFRSPT | Hartree-Fock Rayleigh-Schroedinger Perturbation Theory |
| GIAO | Gage Invariant Atomic Orbital |
| SIR | Selected Ion Recording |
| TLV | Threshold Limit Value |
| ASSIST | Abstract Semi-Markov Specification Interface To The SURE Tool [propulsion] |
| ABMR | Atomic Beam Magnetic Resonance |
| SSSD | Small-scale, Short-duration |
| BMP | Best Management Practices |
| WADR | Waste Acid Detoxification And Reclamation |
| TBT | Tributyl Tin |