| Acronym | Meaning |
| OEP-SIC | Optimized Effective Potential Self-interaction Correction |
| FOG | Fats, Oil, And Grease |
| GFCS | Gas Filter Correlation Spectroscopy |
| OEP | Odd-even (alkane/carbon) Predominance (geology) |
| LPG | Liquefied Petroleum Gas |
| PAPVD | Plasma-assisted Physical Vapor Deposition |
| FMI | Fermilab Main Injector |
| IAVCEI | International Association Of Volcanology And Chemistry Of The Earth's Interior |
| WILT | Waste Interface Leaching Test |
| LD-KGC | Linz-Donawitz-Kawasaki Gas Control (steel Converter Furnaces) |