| Acronym | Meaning |
| HWSFD | Hazardous Waste Superfund Database |
| IUE | International Ultraviolet Explorer |
| TNOA | Target Natural Orbital Approximation |
| LEELS | Low Energy Electron Loss Spectroscopy |
| MAO | Monoamine Oxidase |
| BCDF | B Cell Differentiation Factor |
| SDY | Spin Drawn Yarn |
| CCF | Correlation Crystal Field |
| AFQMC | Auxiliary-field Quantum Monte Carlo |
| WHSV | Wt. Hourly Space Velocity |