| Acronym | Meaning |
| OLS | Ordinary Least Squares |
| HTGR | High-Temperature Gas Reactor |
| BSCO | Break Specific Carbon Monoxide |
| TVC | Total Viable Count |
| EBSP | Electron Backscattering Pattern |
| HSSM | Hydrocarbon Spill Simulation Model |
| SFMS | Sector Field Mass Spectrometry |
| ZPE | Zero-point Energy |
| AWFCO | Automatic Waste Feed Cutoff |
| LCGO | Linear Combination Of Group Orbitals |