| Acronym | Meaning |
| NHF | Numerical Hartree-Fock |
| CPI | Chemical Process Industry |
| PFS | Planetary Fourier Spectrometry |
| DSIP | Delta-sleep Inducing Peptide |
| TSDRF | Treatment, Storage, Disposal, And Recycling Facilities |
| APWR | Advanced Pressurized Water Reactor |
| APSA | Advanced Photovoltaic Solar Array |
| PSS | Primary Sewage Sludge |
| TSDIA | Two-scale Direct-interaction Approximation [in Flow Energy Modeling] |
| PPG | Polypropylene Glycol |